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Hot spring and geyser with deep aqua cave and wilderness background at Yellowstone National Park, USA.
Sapphire Pool Yellowstone National Park, Wyoming in summer
Hverir, Iceland. A surreal, bare orange-red, geothermal area at the foot of Namafjall. Full of fumaroles, mud pools, steam vents. It's on Route 1. It is also called Namaskard Hverir.
A colorful hot-spring in Yellowstone National Park.  See more
Blue Star Spring, Geyser Hill, Yellowstone National Park.
Old Faithful erupts during the winter in Yellowstone National Park
Yellowstone National Park
Panoramic extremely colorful Grand Prismatic Springs from a distance with bright blue sky and light steam lifting off lake of rainbow colors
Norris Geyser Basin, Yellowstone, Wyoming - United States of America
Thermophilic Microbial Mat at Sapphire Pool in Biscuit Basin of Yellowstone National Park, Wyoming
Grand Prismatic Spring in Yellowstone National Park in Wyoming, USA
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Norris Geyser Basin in Yellowstone in Winter
Scenic landscape with geothermal springs and pools in West Thumb Geyer Basin of Yellowstone National Park, Wyoming, USA.
Norris Geyser Basin, Yellowstone National Park.
Colorful hot spring in Yellowstone of vivid colors caused by thermophilic bacteria
Grand Prismatic Spring at Midway Geyser Basin of Yellowstone National Park in Teton County, Wyoming
Yellowstone National Park
An image of Black Opal Diamond Pool in Yellowstone National Park
Grand Prismatic Spring in Yellowstone National Park, Wyoming USA from the view of Fairy Falls Trail, horizontal
Blue colored hot springs at Norris Geyser Basin in the winter
Hot spring in Yellowstone
Black Pool hot spring with Yellowstone Lake in the background
Boiling water bubbler Geyser. Active geyser with major eruptions. Yellowstone NP, Wyoming, USA
Thermophilic Microbial Mat at Sapphire Pool in Biscuit Basin of Yellowstone National Park, Wyoming
Hot springs spewing steam while the sun sets over Norris Geyser Basin
Majestic Yellowstone lake
Hot thermal spring Abyss Pool in Yellowstone National Park, West Thumb Geyser Basin area, Wyoming, USA
Visitors get a close up view of one of more than 10,000 thermal features in Yellowstone. Research on heat-resistant microbes in the park’s thermal areas has led to medical, forensic, and commercial uses.
Free Images: "bestof:View of the upper Fire Hole, near the Grotto Geyser. Yellowstone National Park. - NARA - 517139.jpg Scope and content General notes 517139 Local identifier"
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