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A colorful hot-spring in Yellowstone National Park.  See more
Boiling water bubbler Geyser. Active geyser with major eruptions. Yellowstone NP, Wyoming, USA
Beautiful thermal lake view in the Yellowstone National Park in Wyoming, USA
Norris Geyser Basin in Yellowstone in Winter
Hot springs are the most common hydro-thermal features at Yellowstone National Park.  They vary from frothing mocha-like boiling water to clear and calm pools of tremendous depth.
Majestic Yellowstone lake
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
The World Famous Grand Prismatic Spring in Yellowstone National Park,USA
Utah, USA-September 10, 2011: The Yellow Stone National Park is one of the Natrual Wonders in the world. Here is the beautiful scenery of the National Park.
A section of the Grand Prismatic Spring taken from the \
Thermal Pool in Upper Geyser Basin in Winter\nYellowstone National Park
Geothermal pool in Wyoming, USA
Stunning natural phenomenon
Boardwalk at Norris Geyser Basin in Yellowstone National Park, Wyoming
View of geothermal geyser seen from Yellowstone National Park, Wyoming.
Erupting geyser at Norris Geyser Basin, Yellowstone National Park, Wyoming, USA
Active geysers erupting in the morning, Yellowstone National Park, USA
Old Faithful erupts during the winter in Yellowstone National Park
A closeup shot of a landscape with Geiser in Yellowstone National Park in  Wyoming
Black Pool hot spring with Yellowstone Lake in the background
Image of Boardwalk leading through hot spring terraces in Yellowstone winter
Thermophilic Microbial Mat at Sapphire Pool in Biscuit Basin of Yellowstone National Park, Wyoming
Grand Prismatic Spring in Yellowstone National Park with tourists viewing the spectacular natural scene
Norris Geyser Basin in Yellowstone in Winter
Steaming hot volcanic vent by the lake at Yellowstone National Park
Stunning natural land features
Free Images: "bestof:Boiling sulphur spring, at Crater Hills on the Yellowstone, ten miles above the falls. - NARA - 516701.jpg Scope and content General notes 516701 Local"
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