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Grand Prismatic Spring in Yellowstone National Park Wyoming in May, panorama
Norris Geyser Basin in Yellowstone in Winter
Norris Geyser Basin, Yellowstone, Wyoming - United States of America
A colorful hot-spring in Yellowstone National Park.  See more
Castle Geyser erupting with rainbow, Yellowstone national park, Wyoming, USA.
Yellowstone National Park
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.
Beautiful thermal lake view in the Yellowstone National Park in Wyoming, USA
Thermophilic Microbial Mat at Sapphire Pool in Biscuit Basin of Yellowstone National Park, Wyoming
Yellowstone Park (iii)
Stunning natural land features
A section of the Grand Prismatic Spring taken from the \
Norris Geyser Basin in Yellowstone in Winter
Aerial view of Grand Prismatic Spring in Midway Geyser Basin, Yellowstone National Park, Wyoming, USA. It is the largest hot spring in the United States
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.
Castle Geyser, a famous thermal feature, erupts in Yellowstone's Upper Geyser Basin not far from Old Faithful Geyser. Heated water run off produces colonies of colorful thermophilic organisms as seen in the foreground.
This hot spring is 42 feet (12.8 meters) deep and known for its distinctive 'crest'. While typically a hot spring, it occasionally erupts like a geyser. Initially described by the Hayden Geological Survey in 1871, it was officially named Crested Pool in 1927. In 1970, nine-year-old Andrew Clark Hecht tragically fell into the spring and died, leading to the establishment of the Andrew Clark Hecht Memorial Public Safety Achievement Award to honor contributions to public safety.
Boiling water bubbler Geyser. Active geyser with major eruptions. Yellowstone NP, Wyoming, USA
Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA
View of geothermal geyser seen from Yellowstone National Park, Wyoming.
Grand prismatic spring at sunny blue sky, , Yellowstone National Park, USA.
Springs of Yellowstone
Hot spring and geyser with deep aqua cave and wilderness background at Yellowstone National Park, USA.
Vibrant colors around a hot spring in Yellowstone National Park from thermophilic bacteria growing along the springs edge.
Thermophilic Microbial Mat at Sapphire Pool in Biscuit Basin of Yellowstone National Park, Wyoming
Scenic Landscapes of Geothermal activity of Yellowstone National Park USA - Biscuit Basin
Majestic Yellowstone lake
Yellowstone
View of beautiful pool in geyser area in Yellowstone National Park, Wyoming, USA.
Free Images: "bestof:Backcountry near Norris Geyser Basin.jpg en wikipedia 2012 October 26 Yellowstone National Park Backcountry near Norris Geyser Basin self-photographed"
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