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Wyoming: Yellowstone National Park

102 images Created 14 Oct 2011

View photographs from Yellowstone National Park, Wyoming: colorful hot spring patterns, falls with rainbow, elk, bison.

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  • Palette Spring, Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA.
    1709US1-4617_Yellowstone-NP-WY.jpg
  • Colorful microbial mats coat terraces of Grand Prismatic Spring in Midway Geyser Basin, Yellowstone National Park, Wyoming, USA. Grand Prismatic is the largest hot spring in the United States, and the third largest in the world, next to those in New Zealand. The sterile blue water in the pool’s center is too hot to support life (87 degrees Centigrade or 188 F). Pure water selectively absorbs red wavelengths of visible light, making the center deep blue. But in cooler water along the edges, microbial mats of thermophilic (heat-loving) cyano-bacteria and algae thrive. Yellow, orange, and red pigments are produced by the bacteria as a natural sunscreen. As a result, the pool displays a spectrum of colors from the bright blue water of the center to the orange, red, and brown algal mats along the edges. Summer mats tend to be orange and red, whereas winter mats become dark green. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978. Photo was published in "Light Travel: Photography on the Go" book by Tom Dempsey 2009, 2010.  Three overlapping images were stitched to make this panorama.
    04WY-0162-164pan-Grand-Prismatic-Spr...jpg
  • Admire colorful microbial mats contrasting with turquoise water at Grand Prismatic Spring overlook in Midway Geyser Basin, Yellowstone National Park, Wyoming, USA. Starting from Fairy Falls Trailhead (OK5), walk 2 miles round trip to the Grand Prismatic Spring overlook, up a side trail. Grand Prismatic is the largest hot spring in the United States, and the third largest in the world, next to those in New Zealand. The sterile blue water in the pool’s center is too hot to support life (87 degrees Centigrade or 188 F). Pure water selectively absorbs red wavelengths of visible light, making the center deep blue. But in cooler water along the edges, microbial mats of thermophilic (heat-loving) cyano-bacteria and algae thrive. Yellow, orange, and red pigments are produced by the bacteria as a natural sunscreen. As a result, the pool displays a spectrum of colors from the bright blue water of the center to the orange, red, and brown algal mats along the edges. Summer mats tend to be orange and red, whereas winter mats become dark green. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    1709US1-3978_Yellowstone-NP-WY.jpg
  • Spray from Yellowstone Falls refracts a rainbow in the "Grand Canyon of the Yellowstone," Yellowstone National Park, Wyoming, USA. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    98AUG-C5-17_Yellowstone-Falls-rainbo...jpg
  • Colorful microbial mats coat terraces of Grand Prismatic Spring in Midway Geyser Basin, Yellowstone National Park, Wyoming, USA. Grand Prismatic is the largest hot spring in the United States, and the third largest in the world, next to those in New Zealand. The sterile blue water in the pool’s center is too hot to support life (87 degrees Centigrade or 188 F). Pure water selectively absorbs red wavelengths of visible light, making the center deep blue. But in cooler water along the edges, microbial mats of thermophilic (heat-loving) cyano-bacteria and algae thrive. Yellow, orange, and red pigments are produced by the bacteria as a natural sunscreen. As a result, the pool displays a spectrum of colors from the bright blue water of the center to the orange, red, and brown algal mats along the edges. Summer mats tend to be orange and red, whereas winter mats become dark green. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    04WY-0065.jpg
  • Palette Spring, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA. Over thousands of years, Mammoth Hot Springs have built white travertine terraces. Algae and bacteria tint the travertine shades of brown, orange, red, and green. Terrace Mountain (including Minerva Terrace) at Mammoth Hot Springs is the largest known carbonate-depositing spring in the world. The Mammoth Hotel and Fort Yellowstone are built upon the old Hotel Terrace formation. Hot water from Norris Geyser Basin within the Yellowstone Caldera travels underground via a fault line through limestone and deposits calcium carbonate at Mammoth Hot Springs, outside of the active supervolcano’s caldera. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978. Published in "Light Travel: Photography on the Go" book by Tom Dempsey 2009, 2010.
    04WY-0551.jpg
  • A bull elk (or stag) sports a rack of antlers at Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA. The elk or wapiti (Cervus canadensis) is one of the largest species of deer in the world. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    04WY-0609_Bull-elk-antler-rack.jpg
  • Bison on the road near Mammoth Hot Springs in Yellowstone National Park, Wyoming, USA.
    1709US1-4495_Yellowstone-NP-WY.jpg
  • Admire colorful microbial mats contrasting with turquoise water at Grand Prismatic Spring overlook in Midway Geyser Basin, Yellowstone National Park, Wyoming, USA. Starting from Fairy Falls Trailhead (OK5), walk 2 miles round trip to the Grand Prismatic Spring overlook, up a side trail. Grand Prismatic is the largest hot spring in the United States, and the third largest in the world, next to those in New Zealand. The sterile blue water in the pool’s center is too hot to support life (87 degrees Centigrade or 188 F). Pure water selectively absorbs red wavelengths of visible light, making the center deep blue. But in cooler water along the edges, microbial mats of thermophilic (heat-loving) cyano-bacteria and algae thrive. Yellow, orange, and red pigments are produced by the bacteria as a natural sunscreen. As a result, the pool displays a spectrum of colors from the bright blue water of the center to the orange, red, and brown algal mats along the edges. Summer mats tend to be orange and red, whereas winter mats become dark green. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    1709US1-3956_Yellowstone-NP-WY.jpg
  • Colorful microbial mats coat terraces of Grand Prismatic Spring in Midway Geyser Basin, Yellowstone National Park, Wyoming, USA. Grand Prismatic is the largest hot spring in the United States, and the third largest in the world, next to those in New Zealand. The sterile blue water in the pool’s center is too hot to support life (87 degrees Centigrade or 188 F). Pure water selectively absorbs red wavelengths of visible light, making the center deep blue. But in cooler water along the edges, microbial mats of thermophilic (heat-loving) cyano-bacteria and algae thrive. Yellow, orange, and red pigments are produced by the bacteria as a natural sunscreen. As a result, the pool displays a spectrum of colors from the bright blue water of the center to the orange, red, and brown algal mats along the edges. Summer mats tend to be orange and red, whereas winter mats become dark green. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    04WY-0099.jpg
  • Palette Spring, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA. Over thousands of years, Mammoth Hot Springs have built white travertine terraces. Algae and bacteria tint the travertine shades of brown, orange, red, and green. Terrace Mountain (including Minerva Terrace) at Mammoth Hot Springs is the largest known carbonate-depositing spring in the world. The Mammoth Hotel and Fort Yellowstone are built upon the old Hotel Terrace formation. Hot water from Norris Geyser Basin within the Yellowstone Caldera travels underground via a fault line through limestone and deposits calcium carbonate at Mammoth Hot Springs, outside of the active supervolcano’s caldera. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    04WY-0560.jpg
  • Colorful microbial mats coat terraces of Grand Prismatic Spring in Midway Geyser Basin, Yellowstone National Park, Wyoming, USA. Grand Prismatic is the largest hot spring in the United States, and the third largest in the world, next to those in New Zealand. The sterile blue water in the pool’s center is too hot to support life (87 degrees Centigrade or 188 F). Pure water selectively absorbs red wavelengths of visible light, making the center deep blue. But in cooler water along the edges, microbial mats of thermophilic (heat-loving) cyano-bacteria and algae thrive. Yellow, orange, and red pigments are produced by the bacteria as a natural sunscreen. As a result, the pool displays a spectrum of colors from the bright blue water of the center to the orange, red, and brown algal mats along the edges. Summer mats tend to be orange and red, whereas winter mats become dark green. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    04WY-0043.jpg
  • Orange Spring Mound, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA. Over thousands of years, Mammoth Hot Springs have built white travertine terraces. Algae and bacteria tint the travertine shades of brown, orange, red, and green. Terrace Mountain (including Minerva Terrace) at Mammoth Hot Springs is the largest known carbonate-depositing spring in the world. The Mammoth Hotel and Fort Yellowstone are built upon the old Hotel Terrace formation. Hot water from Norris Geyser Basin within the Yellowstone Caldera travels underground via a fault line through limestone and deposits calcium carbonate at Mammoth Hot Springs, outside of the active supervolcano’s caldera.
    04WY-0589.jpg
  • 2004 photo: Morning Glory Pool is a hot spring in the Upper Geyser Basin of Yellowstone National Park, Wyoming, USA. Microbial mats of thermophilic (heat-loving) cyano-bacteria and algae color the pool brown, yellow, and green. The pool's center lacks the high temperature pure blue water seen in previous decades. Its glory has faded as objects tossed in by vandals have blocked hot water inlets. The rising groundwater of Morning Glory Pool is heated by a hotspot of light, hot, molten mantle rock near the surface. 640,000 years ago, a supereruption of the Yellowstone Supervolcano created the Yellowstone Caldera which measures 34 miles (55 km) by 45 miles (72 km). Any time in the next few hundred millennia, the active volcano of Yellowstone could cause vast destruction in North America and modify world climate. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    04WY-0228.jpg
  • 1998 photo: Morning Glory Pool is a hot spring in the Upper Geyser Basin of Yellowstone National Park, Wyoming, USA. Microbial mats of thermophilic (heat-loving) cyano-bacteria and algae color the pool brown, yellow, and green. After this 1998 photo, the pool's center has been losing the high temperature pure blue water. Its glory has faded as objects tossed in by vandals have blocked hot water inlets. The rising groundwater of Morning Glory Pool is heated by a hotspot of light, hot, molten mantle rock near the surface. 640,000 years ago, a supereruption of the Yellowstone Supervolcano created the Yellowstone Caldera which measures 34 miles (55 km) by 45 miles (72 km). Any time in the next few hundred millennia, the active volcano of Yellowstone could cause vast destruction in North America and modify world climate. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    98AUG-01-36_Morning-Glory-Pool.jpg
  • The famous cone geyser of Old Faithful erupts in Yellowstone National Park, Wyoming, USA. Old Faithful shoots up to 185 feet high, averaging 145 feet high, about every 90 minutes. Old Faithful is powered by boiling groundwater heated by a hotspot of light, hot, molten mantle rock near the surface. 640,000 years ago, a supereruption of the Yellowstone Supervolcano created the Yellowstone Caldera which measures 34 miles (55 km) by 45 miles (72 km). Any time in the next few hundred millennia, the active volcano of Yellowstone threatens vast destruction in North America and modification of world climate. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    04WY-0179_Old-Faithful.jpg
  • Colorful microbial mats coat terraces of Grand Prismatic Spring in Midway Geyser Basin, Yellowstone National Park, Wyoming, USA. Grand Prismatic is the largest hot spring in the United States, and the third largest in the world, next to those in New Zealand. Microbial mats of thermophilic (heat-loving) cyano-bacteria and algae thrive here. Yellow, orange, and red pigments are produced by the bacteria as a natural sunscreen. Orange, red, and brown algal mats grow along edges of  effluent hot water. Summer mats tend to be orange and red, whereas winter mats become dark green. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    04WY-0113_Yellowstone-NP.jpg
  • Angel Terrace, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA. Over thousands of years, Mammoth Hot Springs have built white travertine terraces. Algae and bacteria tint the travertine shades of brown, orange, red, and green. Terrace Mountain (including Minerva Terrace) at Mammoth Hot Springs is the largest known carbonate-depositing spring in the world. The Mammoth Hotel and Fort Yellowstone are built upon the old Hotel Terrace formation. Hot water from Norris Geyser Basin within the Yellowstone Caldera travels underground via a fault line through limestone and deposits calcium carbonate at Mammoth Hot Springs, outside of the active supervolcano’s caldera.
    04WY-0602.jpg
  • The Yellowstone River flows through the Grand Canyon of the Yellowstone downstream from Yellowstone Falls in Yellowstone National Park, in Wyoming, USA. Yellowstone River is a major tributary of the Missouri River. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    98AUG-04-29_Yellowstone-River-Grand-...jpg
  • Colorful microbial mats coat terraces of Grand Prismatic Spring in Midway Geyser Basin, Yellowstone National Park, Wyoming, USA. Grand Prismatic is the largest hot spring in the United States, and the third largest in the world, next to those in New Zealand. The sterile blue water in the pool’s center is too hot to support life (87 degrees Centigrade or 188 F). Pure water selectively absorbs red wavelengths of visible light, making the center deep blue. But in cooler water along the edges, microbial mats of thermophilic (heat-loving) cyano-bacteria and algae thrive. Yellow, orange, and red pigments are produced by the bacteria as a natural sunscreen. As a result, the pool displays a spectrum of colors from the bright blue water of the center to the orange, red, and brown algal mats along the edges. Summer mats tend to be orange and red, whereas winter mats become dark green. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    04WY-0025.jpg
  • Lichen and rock pattern in Granite Canyon, Grand Teton National Park, Wyoming, USA
    04WY-0356.jpg
  • Colorful microbial mats coat terraces of Grand Prismatic Spring in Midway Geyser Basin, Yellowstone National Park, Wyoming, USA. Grand Prismatic is the largest hot spring in the United States, and the third largest in the world, next to those in New Zealand. The sterile blue water in the pool’s center is too hot to support life (87 degrees Centigrade or 188 F). Pure water selectively absorbs red wavelengths of visible light, making the center deep blue. But in cooler water along the edges, microbial mats of thermophilic (heat-loving) cyano-bacteria and algae thrive. Yellow, orange, and red pigments are produced by the bacteria as a natural sunscreen. As a result, the pool displays a spectrum of colors from the bright blue water of the center to the orange, red, and brown algal mats along the edges. Summer mats tend to be orange and red, whereas winter mats become dark green. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    04WY-0090.jpg
  • Palette Spring, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA. Over thousands of years, Mammoth Hot Springs have built white travertine terraces. Algae and bacteria tint the travertine shades of brown, orange, red, and green. Terrace Mountain (including Minerva Terrace) at Mammoth Hot Springs is the largest known carbonate-depositing spring in the world. The Mammoth Hotel and Fort Yellowstone are built upon the old Hotel Terrace formation. Hot water from Norris Geyser Basin within the Yellowstone Caldera travels underground via a fault line through limestone and deposits calcium carbonate at Mammoth Hot Springs, outside of the active supervolcano’s caldera. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    04WY-0550.jpg
  • Colorful microbial mats coat terraces of Grand Prismatic Spring in Midway Geyser Basin, Yellowstone National Park, Wyoming, USA. Grand Prismatic is the largest hot spring in the United States, and the third largest in the world, next to those in New Zealand. The sterile blue water in the pool’s center is too hot to support life (87 degrees Centigrade or 188 F). Pure water selectively absorbs red wavelengths of visible light, making the center deep blue. But in cooler water along the edges, microbial mats of thermophilic (heat-loving) cyano-bacteria and algae thrive. Yellow, orange, and red pigments are produced by the bacteria as a natural sunscreen. As a result, the pool displays a spectrum of colors from the bright blue water of the center to the orange, red, and brown algal mats along the edges. Summer mats tend to be orange and red, whereas winter mats become dark green. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    04WY-0081.jpg
  • Colorful microbial mats coat terraces of Grand Prismatic Spring in Midway Geyser Basin, Yellowstone National Park, Wyoming, USA. Grand Prismatic is the largest hot spring in the United States, and the third largest in the world, next to those in New Zealand. The sterile blue water in the pool’s center is too hot to support life (87 degrees Centigrade or 188 F). Pure water selectively absorbs red wavelengths of visible light, making the center deep blue. But in cooler water along the edges, microbial mats of thermophilic (heat-loving) cyano-bacteria and algae thrive. Yellow, orange, and red pigments are produced by the bacteria as a natural sunscreen. As a result, the pool displays a spectrum of colors from the bright blue water of the center to the orange, red, and brown algal mats along the edges. Summer mats tend to be orange and red, whereas winter mats become dark green. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.  Nine overlapping images were stitched to make this panorama.
    04WY-0031-39pan-Grand-Prismatic-Spri...jpg
  • A geyser erupts on Fountain Paint Pot trail, Yellowstone National Park, Wyoming, USA. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    98AUG-04-22_Fountain-Paint-Pot-Trail...jpg
  • Colorful microbial mats coat terraces of Grand Prismatic Spring in Midway Geyser Basin, Yellowstone National Park, Wyoming, USA. Grand Prismatic is the largest hot spring in the United States, and the third largest in the world, next to those in New Zealand. The sterile blue water in the pool’s center is too hot to support life (87 degrees Centigrade or 188 F). Pure water selectively absorbs red wavelengths of visible light, making the center deep blue. But in cooler water along the edges, microbial mats of thermophilic (heat-loving) cyano-bacteria and algae thrive. Yellow, orange, and red pigments are produced by the bacteria as a natural sunscreen. As a result, the pool displays a spectrum of colors from the bright blue water of the center to the orange, red, and brown algal mats along the edges. Summer mats tend to be orange and red, whereas winter mats become dark green. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    04WY-0100.jpg
  • Colorful microbial mats coat terraces of Grand Prismatic Spring in Midway Geyser Basin, Yellowstone National Park, Wyoming, USA. Grand Prismatic is the largest hot spring in the United States, and the third largest in the world, next to those in New Zealand. The sterile blue water in the pool’s center is too hot to support life (87 degrees Centigrade or 188 F). Pure water selectively absorbs red wavelengths of visible light, making the center deep blue. But in cooler water along the edges, microbial mats of thermophilic (heat-loving) cyano-bacteria and algae thrive. Yellow, orange, and red pigments are produced by the bacteria as a natural sunscreen. As a result, the pool displays a spectrum of colors from the bright blue water of the center to the orange, red, and brown algal mats along the edges. Summer mats tend to be orange and red, whereas winter mats become dark green. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    04WY-0127.jpg
  • Colorful microbial mats coat terraces of Grand Prismatic Spring in Midway Geyser Basin, Yellowstone National Park, Wyoming, USA. Grand Prismatic is the largest hot spring in the United States, and the third largest in the world, next to those in New Zealand. The sterile blue water in the pool’s center is too hot to support life (87 degrees Centigrade or 188 F). Pure water selectively absorbs red wavelengths of visible light, making the center deep blue. But in cooler water along the edges, microbial mats of thermophilic (heat-loving) cyano-bacteria and algae thrive. Yellow, orange, and red pigments are produced by the bacteria as a natural sunscreen. As a result, the pool displays a spectrum of colors from the bright blue water of the center to the orange, red, and brown algal mats along the edges. Summer mats tend to be orange and red, whereas winter mats become dark green. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978. Six overlapping images were stitched to make this panorama.
    04WY-0134-139pan_Grand-Prismatic-Spr...jpg
  • Mineral deposits form the arches of Grotto Geyser in Yellowstone National Park, Wyoming, USA. Grotto Geyser is powered by boiling groundwater heated by a hotspot of light, hot, molten mantle rock near the surface. 640,000 years ago, a supereruption of the Yellowstone Supervolcano created the Yellowstone Caldera which measures 34 miles (55 km) by 45 miles (72 km). Any time in the next few hundred millennia, the active volcano of Yellowstone threatens vast destruction in North America and modification of world climate. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    04WY-0217_Grotto-Geyser.jpg
  • Calf and adult bison. American bison are protected within Yellowstone National Park, Wyoming, USA. The American bison (scientific name “Bison bison”) is also known as buffalo, despite being only distantly related to true buffalo. Members of the genus Bison are large, even-toed ungulates within the subfamily Bovinae. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    04WY-0244_Yellowstone-NP.jpg
  • Palette Spring, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA. Over thousands of years, Mammoth Hot Springs have built white travertine terraces. Algae and bacteria tint the travertine shades of brown, orange, red, and green. Terrace Mountain (including Minerva Terrace) at Mammoth Hot Springs is the largest known carbonate-depositing spring in the world. The Mammoth Hotel and Fort Yellowstone are built upon the old Hotel Terrace formation. Hot water from Norris Geyser Basin within the Yellowstone Caldera travels underground via a fault line through limestone and deposits calcium carbonate at Mammoth Hot Springs, outside of the active supervolcano’s caldera.
    04WY-0576.jpg
  • Colorful microbial mats coat terraces of Grand Prismatic Spring in Midway Geyser Basin, Yellowstone National Park, Wyoming, USA. Grand Prismatic is the largest hot spring in the United States, and the third largest in the world, next to those in New Zealand. The sterile blue water in the pool’s center is too hot to support life (87 degrees Centigrade or 188 F). Pure water selectively absorbs red wavelengths of visible light, making the center deep blue. But in cooler water along the edges, microbial mats of thermophilic (heat-loving) cyano-bacteria and algae thrive. Yellow, orange, and red pigments are produced by the bacteria as a natural sunscreen. As a result, the pool displays a spectrum of colors from the bright blue water of the center to the orange, red, and brown algal mats along the edges. Summer mats tend to be orange and red, whereas winter mats become dark green. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    04WY-0091_Yellowstone-NP.jpg
  • A bull elk (or stag) sports a rack of antlers at Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA. The elk or wapiti (Cervus canadensis) is one of the largest species of deer in the world.
    04WY-0605.jpg
  • Elk cows gather on a hotel lawn at Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA. The elk or wapiti (Cervus canadensis) is one of the largest species of deer in the world.
    04WY-0613_Doe-elk-Yellowstone.jpg
  • A bull elk (or stag) sports a rack of antlers at Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA. The elk or wapiti (Cervus canadensis) is one of the largest species of deer in the world.
    04WY-0608.jpg
  • Colorful microbial mats coat terraces of Grand Prismatic Spring in Yellowstone National Park, Midway Geyser Basin, Wyoming, USA. Grand Prismatic is the largest hot spring in the United States, and the third largest in the world, next to those in New Zealand. The sterile blue water in the pool’s center is too hot to support life (87 degrees Centigrade or 188 F). Pure water selectively absorbs red wavelengths of visible light, making the center deep blue. But in cooler water along the edges, microbial mats of thermophilic (heat-loving) cyano-bacteria and algae thrive. Yellow, orange, and red pigments are produced by the bacteria as a natural sunscreen. As a result, the pool displays a spectrum of colors from the bright blue water of the center to the orange, red, and brown algal mats along the edges. Summer mats tend to be orange and red, whereas winter mats become dark green. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    98AUG-03-20_Grand-Prismatic-Spring-S...jpg
  • Palette Spring, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA. Over thousands of years, Mammoth Hot Springs have built white travertine terraces. Algae and bacteria tint the travertine shades of brown, orange, red, and green. Terrace Mountain (including Minerva Terrace) at Mammoth Hot Springs is the largest known carbonate-depositing spring in the world. The Mammoth Hotel and Fort Yellowstone are built upon the old Hotel Terrace formation. Hot water from Norris Geyser Basin within the Yellowstone Caldera travels underground via a fault line through limestone and deposits calcium carbonate at Mammoth Hot Springs, outside of the active supervolcano’s caldera. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978. The panorama was stitched from two overlapping photos.
    04WY-0579-580pan_Palette-Spring.jpg
  • Canary Spring steams at Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA. Over thousands of years, Mammoth Hot Springs have built white travertine terraces. Algae and bacteria tint the travertine shades of brown, orange, red, and green. Terrace Mountain (including Minerva Terrace) at Mammoth Hot Springs is the largest known carbonate-depositing spring in the world. The Mammoth Hotel and Fort Yellowstone are built upon the old Hotel Terrace formation. Hot water from Norris Geyser Basin within the Yellowstone Caldera travels underground via a fault line through limestone and deposits calcium carbonate at Mammoth Hot Springs, outside of the active supervolcano’s caldera. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    04WY-0530.jpg
  • Palette Spring, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA. Over thousands of years, Mammoth Hot Springs have built white travertine terraces. Algae and bacteria tint the travertine shades of brown, orange, red, and green. Terrace Mountain (including Minerva Terrace) at Mammoth Hot Springs is the largest known carbonate-depositing spring in the world. The Mammoth Hotel and Fort Yellowstone are built upon the old Hotel Terrace formation. Hot water from Norris Geyser Basin within the Yellowstone Caldera travels underground via a fault line through limestone and deposits calcium carbonate at Mammoth Hot Springs, outside of the active supervolcano’s caldera.
    04WY-0556.jpg
  • Palette Spring, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA. Over thousands of years, Mammoth Hot Springs have built white travertine terraces. Algae and bacteria tint the travertine shades of brown, orange, red, and green. Terrace Mountain (including Minerva Terrace) at Mammoth Hot Springs is the largest known carbonate-depositing spring in the world. The Mammoth Hotel and Fort Yellowstone are built upon the old Hotel Terrace formation. Hot water from Norris Geyser Basin within the Yellowstone Caldera travels underground via a fault line through limestone and deposits calcium carbonate at Mammoth Hot Springs, outside of the active supervolcano’s caldera.
    04WY-0559.jpg
  • Orange Spring Mound, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA. Over thousands of years, Mammoth Hot Springs have built white travertine terraces. Algae and bacteria tint the travertine shades of brown, orange, red, and green. Terrace Mountain (including Minerva Terrace) at Mammoth Hot Springs is the largest known carbonate-depositing spring in the world. The Mammoth Hotel and Fort Yellowstone are built upon the old Hotel Terrace formation. Hot water from Norris Geyser Basin within the Yellowstone Caldera travels underground via a fault line through limestone and deposits calcium carbonate at Mammoth Hot Springs, outside of the active supervolcano’s caldera.
    04WY-0595.jpg
  • Angel Terrace, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA. Over thousands of years, Mammoth Hot Springs have built white travertine terraces. Algae and bacteria tint the travertine shades of brown, orange, red, and green. Terrace Mountain (including Minerva Terrace) at Mammoth Hot Springs is the largest known carbonate-depositing spring in the world. The Mammoth Hotel and Fort Yellowstone are built upon the old Hotel Terrace formation. Hot water from Norris Geyser Basin within the Yellowstone Caldera travels underground via a fault line through limestone and deposits calcium carbonate at Mammoth Hot Springs, outside of the active supervolcano’s caldera.
    04WY-0601.jpg
  • Sunset turns clouds orange and yellow set against a blue sky in Wyoming, USA.
    04WY-0634.jpg
  • Spattering mud at Fountain Paint Pots. Yellowstone National Park, Wyoming, USA.
    1709US1-4129_Yellowstone-NP-WY.jpg
  • Bubbling mud at Fountain Paint Pots. Yellowstone National Park, Wyoming, USA.
    1709US1-4100_Yellowstone-NP-WY.jpg
  • Admire colorful microbial mats contrasting with turquoise water at Grand Prismatic Spring overlook in Midway Geyser Basin, Yellowstone National Park, Wyoming, USA. Starting from Fairy Falls Trailhead (OK5), walk 2 miles round trip to the Grand Prismatic Spring overlook, up a side trail. Grand Prismatic is the largest hot spring in the United States, and the third largest in the world, next to those in New Zealand. The sterile blue water in the pool’s center is too hot to support life (87 degrees Centigrade or 188 F). Pure water selectively absorbs red wavelengths of visible light, making the center deep blue. But in cooler water along the edges, microbial mats of thermophilic (heat-loving) cyano-bacteria and algae thrive. Yellow, orange, and red pigments are produced by the bacteria as a natural sunscreen. As a result, the pool displays a spectrum of colors from the bright blue water of the center to the orange, red, and brown algal mats along the edges. Summer mats tend to be orange and red, whereas winter mats become dark green. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978.
    1709US1-3937_Yellowstone-NP-WY.jpg
  • Geothermal steam rises from Grand Prismatic Spring. Yellowstone National Park, Wyoming, USA. This image was stitched from multiple overlapping photos.
    1709US1-3865-67-Pano_Yellowstone-NP-...jpg
  • Algae mat patterns in Grand Prismatic Spring. Yellowstone National Park, Wyoming, USA.
    1709US1-3879_Yellowstone-NP-WY.jpg
  • People wander through geothermal steam on the Grand Prismatic Spring boardwalk, under a sunburst. Yellowstone National Park, Wyoming, USA.
    1709US1-3890_Yellowstone-NP-WY.jpg
  • People wander the Grand Prismatic Spring boardwalk. Yellowstone National Park, Wyoming, USA. This image was stitched from multiple overlapping photos.
    1709US1-3825-28-Pano_Yellowstone-NP-...jpg
  • Outflow from Excelsior Geyser Crater streams into the Firehole River under a sunburst, at Grand Prismatic Spring parking area. Yellowstone National Park, Wyoming, USA. This image was stitched from multiple overlapping photos.
    1709US1-3811-13-Pano_Yellowstone-NP-...jpg
  • Palette Spring, Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA.
    1709US1-4625_Yellowstone-NP-WY.jpg
  • Palette Spring, Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA.
    1709US1-4623_Yellowstone-NP-WY.jpg
  • Palette Spring, Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA.
    1709US1-4618_Yellowstone-NP-WY.jpg
  • Palette Spring, Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA.
    1709US1-4619_Yellowstone-NP-WY.jpg
  • Mound Terrace boardwalks above Minerva Terrace, Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA. This image was stitched from multiple overlapping photos.
    1709US1-4581-92-Pano_Yellowstone-NP-...jpg
  • Mound Terrace above Minerva Terrace, Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA.
    1709US1-4602_Yellowstone-NP-WY.jpg
  • Mound Terrace above Minerva Terrace, Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA.
    1709US1-4599_Yellowstone-NP-WY.jpg
  • Mound Terrace above Minerva Terrace, Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA.
    1709US1-4594_Yellowstone-NP-WY.jpg
  • Mound Terrace above Minerva Terrace, Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA.
    1709US1-4596_Yellowstone-NP-WY.jpg
  • Orange Spring Mound, Upper Terrace Drive, Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA.
    1709US1-4571_Yellowstone-NP-WY.jpg
  • Orange Spring Mound, Upper Terrace Drive, Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA.
    1709US1-4566_Yellowstone-NP-WY.jpg
  • Canary Spring, Upper Terrace Drive, Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA.
    1709US1-4550_Yellowstone-NP-WY.jpg
  • Canary Spring, Upper Terrace Drive, Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA.
    1709US1-4543_Yellowstone-NP-WY.jpg
  • Canary Spring, Upper Terrace Drive, Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA.
    1709US1-4545_Yellowstone-NP-WY.jpg
  • Canary Spring, Upper Terrace Drive, Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA.
    1709US1-4519_Yellowstone-NP-WY.jpg
  • Canary Spring, Upper Terrace Drive, Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA.
    1709US1-4518_Yellowstone-NP-WY.jpg
  • Geothermal steam surrounds a snowy boardwalk along Artists’ Paint Pots Trail in Yellowstone National Park, Wyoming, USA. This image was stitched from multiple overlapping photos.
    1709US1-4291-p1-Pano_Yellowstone-NP-...jpg
  • Canary Spring, Upper Terrace Drive, Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA.
    1709US1-4517_Yellowstone-NP-WY.jpg
  • Bison family on the road near Mammoth Hot Springs in Yellowstone National Park, Wyoming, USA.
    1709US1-4494_Yellowstone-NP-WY.jpg
  • Rippled water pattern over green and brown algae. Porcelain Basin, Norris Geyser Basin, Yellowstone National Park, Wyoming, USA.
    1709US1-4482_Yellowstone-NP-WY.jpg
  • Porcelain Basin, Norris Geyser Basin. Yellowstone National Park, Wyoming, USA.
    1709US1-4392_Yellowstone-NP-WY.jpg
  • Steamy blue-green water of Cistern Spring, Norris Geyser Basin, Yellowstone National Park, Wyoming, USA.
    1709US1-4341_Yellowstone-NP-WY.jpg
  • Snow on pine needles. Artists’ Paint Pots Trail. Yellowstone National Park, Wyoming, USA.
    1709US1-4255_Yellowstone-NP-WY.jpg
  • Dramatic misty morning boardwalk on Artists’ Paint Pots Trail. Yellowstone National Park, Wyoming, USA. This image was stitched from multiple overlapping photos.
    1709US1-4246-p1-Pano_Yellowstone-NP-...jpg
  • Dramatic steamy morning on Artists’ Paint Pots Trail in Yellowstone National Park, Wyoming, USA.
    1709US1-4251_Yellowstone-NP-WY.jpg
  • Mound Terrace above Minerva Terrace, Mammoth Hot Springs. Yellowstone National Park, Wyoming, USA.
    1709US1-4578_Yellowstone-NP-WY.jpg
  • Dead trees form sharp silhouettes against geothermal steam along Artists’ Paint Pots Trail in Yellowstone National Park, Wyoming, USA.
    1709US1-4248_Yellowstone-NP-WY.jpg
  • Red Spouter at Fountain Paint Pots. Yellowstone National Park, Wyoming, USA.
    1709US1-4180_Yellowstone-NP-WY.jpg
  • Geysers spout and spray at Fountain Paint Pots in Yellowstone National Park, Wyoming, USA.
    1709US1-4210_Yellowstone-NP-WY.jpg
  • Bison in Yellowstone National Park, Wyoming, USA.
    1709US1-4226_Yellowstone-NP-WY.jpg
  • Admire colorful microbial mats contrasting with turquoise water at Grand Prismatic Spring overlook in Midway Geyser Basin, Yellowstone National Park, Wyoming, USA. Starting from Fairy Falls Trailhead (OK5), walk 2 miles round trip to the Grand Prismatic Spring overlook, up a side trail. Grand Prismatic is the largest hot spring in the United States, and the third largest in the world, next to those in New Zealand. The sterile blue water in the pool’s center is too hot to support life (87 degrees Centigrade or 188 F). Pure water selectively absorbs red wavelengths of visible light, making the center deep blue. But in cooler water along the edges, microbial mats of thermophilic (heat-loving) cyano-bacteria and algae thrive. Yellow, orange, and red pigments are produced by the bacteria as a natural sunscreen. As a result, the pool displays a spectrum of colors from the bright blue water of the center to the orange, red, and brown algal mats along the edges. Summer mats tend to be orange and red, whereas winter mats become dark green. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978. This image was stitched from multiple overlapping photos.
    1709US1-3939-51-Pano_Yellowstone-NP-...jpg
  • Admire colorful microbial mats contrasting with turquoise water at Grand Prismatic Spring overlook in Midway Geyser Basin, Yellowstone National Park, Wyoming, USA. Starting from Fairy Falls Trailhead (OK5), walk 2 miles round trip to the Grand Prismatic Spring overlook, up a side trail. Grand Prismatic is the largest hot spring in the United States, and the third largest in the world, next to those in New Zealand. The sterile blue water in the pool’s center is too hot to support life (87 degrees Centigrade or 188 F). Pure water selectively absorbs red wavelengths of visible light, making the center deep blue. But in cooler water along the edges, microbial mats of thermophilic (heat-loving) cyano-bacteria and algae thrive. Yellow, orange, and red pigments are produced by the bacteria as a natural sunscreen. As a result, the pool displays a spectrum of colors from the bright blue water of the center to the orange, red, and brown algal mats along the edges. Summer mats tend to be orange and red, whereas winter mats become dark green. Yellowstone was the first national park in the world (1872), and UNESCO honored it as a World Heritage site in 1978. This image was stitched from multiple overlapping photos.
    1709US1-4013-16-Pano_Yellowstone-NP-...jpg
  • Bighorn Peak seen from Loaf Mountain Overlook. Bighorn National Forest, Wyoming, USA. We drove across scenic Powder River Pass in the Bighorn Mountains, with views of Cloud Peak Wilderness. The Bighorn Mountains are a spur of the Rocky Mountains.
    20.10US1-0930.jpg
  • Yellow fall leaf colors at Buffalo Bill Reservoir boat ramp at Buffalo Bill State Park, North Shore Campground, Cody, Wyoming, USA.
    20.10US1-0934.jpg
  • At North Shore Campground, view Buffalo Bill Reservoir through the back the window of our RV in Buffalo Bill State Park, Cody, Wyoming, USA.
    20201001_160606.jpg
  • Sunset over Sheep Mountain seen from Buffalo Bill State Park, North Shore Campground, Buffalo Bill Reservoir, Cody, Wyoming, USA. This image was stitched from multiple overlapping photos.
    20.10US1-0951-52-Pano.jpg
  • Sunset seen from Buffalo Bill State Park, North Shore Campground, Buffalo Bill Reservoir, Cody, Wyoming, USA.
    20.10US1-0960.jpg
  • Magenta sunset seen from Buffalo Bill State Park, North Shore Campground, Buffalo Bill Reservoir, Cody, Wyoming, USA.
    20.10US1-0972.jpg
  • Sky and trees reflect in Sylvan Lake, Yellowstone National Park, Wyoming, USA. Yellowstone was established as the world's first national park in 1872 and was listed by UNESCO as a World Heritage site in 1978. This image was stitched from multiple overlapping photos.
    20.10US1-0984-91-Pano.jpg
  • Fumaroles outgas at Steamboat Point, Yellowstone Lake, Yellowstone National Park, Wyoming, USA. Yellowstone was established as the world's first national park in 1872 and was listed by UNESCO as a World Heritage site in 1978.
    20.10US1-1000.jpg
  • Trumpeter Swan on Yellowstone Lake, Yellowstone National Park, Wyoming, USA. The trumpeter swan (Cygnus buccinator) is the heaviest living bird native to North America, and is the largest extant species of waterfowl, with a wingspan of 6 to 8 feet. Yellowstone was established as the world's first national park in 1872 and was listed by UNESCO as a World Heritage site in 1978.
    20.10US1-1010.jpg
  • The Mud Volcano bubbles boisteriously in Yellowstone National Park, Wyoming, USA. Yellowstone was established as the world's first national park in 1872 and was listed by UNESCO as a World Heritage site in 1978.
    20.10US1-1037.jpg
  • Roiling green pools outgas in the Mud Volcano Area, Yellowstone National Park, Wyoming, USA. Yellowstone was established as the world's first national park in 1872 and was listed by UNESCO as a World Heritage site in 1978.
    20.10US1-1039.jpg
  • Upper Yellowstone Falls. The Yellowstone River flows through the Grand Canyon of the Yellowstone in Yellowstone National Park, in Wyoming, USA. Yellowstone River is a major tributary of the Missouri River. Yellowstone was established as the world's first national park in 1872 and was listed by UNESCO as a World Heritage site in 1978.
    20.10US1-1057.jpg
  • Lower Yellowstone Falls seen from the South Rim Trail. The Yellowstone River flows through the Grand Canyon of the Yellowstone in Yellowstone National Park, in Wyoming, USA. Yellowstone River is a major tributary of the Missouri River. Yellowstone was established as the world's first national park in 1872 and was listed by UNESCO as a World Heritage site in 1978.
    20.10US1-1063.jpg
  • Lower Yellowstone Falls seen from Artist Point on South Rim Trail. The Yellowstone River flows through the Grand Canyon of the Yellowstone in Yellowstone National Park, in Wyoming, USA. Yellowstone River is a major tributary of the Missouri River. Yellowstone was established as the world's first national park in 1872 and was listed by UNESCO as a World Heritage site in 1978.
    20.10US1-1083.jpg
  • Lower Yellowstone Falls seen from Artist Point on South Rim Trail. The Yellowstone River flows through the Grand Canyon of the Yellowstone in Yellowstone National Park, in Wyoming, USA. Yellowstone River is a major tributary of the Missouri River. Yellowstone was established as the world's first national park in 1872 and was listed by UNESCO as a World Heritage site in 1978.
    20.10US1-1084.jpg
  • Grand Canyon of the Yellowstone River from Artist Point, South Rim Trail, Yellowstone National Park, Wyoming, USA. Yellowstone River is a major tributary of the Missouri River. Yellowstone was established as the world's first national park in 1872 and was listed by UNESCO as a World Heritage site in 1978.
    20.10US1-1093.jpg
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Portfolio of Tom Dempsey / PhotoSeek.com

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