Grand Prismatic Spring
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The Grand Prismatic Spring is the largest hot spring in the Yellowstone National Park, and the third largest in the world, after Frying Pan Lake in New Zealand and Boiling Lake in Dominica. It is loca
Aerial view of the Grand Prismatic Spring
Grand Prismatic Spring
Microbial mat
Yellowstone National Park
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Yellowstone National Park is a national park of the United States located mainly in the northwest corner of the state of Wyoming, with small portions extending into Montana and Idaho. The park is know
Grand Prismatic Spring
…The Grand Prismatic Spring is the largest hot spring in the Yellowstone National Park, and the third largest in the world, after Frying Pan Lake in New Zealand and Boiling Lake in Dominica. It is located in the Midway Geyser Basin. Grand…
Grand Canyon of the Yellowstone
Exposed rock at Obsidian Cliff
Colter's Hell near Cody, Wyoming, one of the first geothermal sites to be spotted by mountain men
Hayden Geological Survey at Yellowstone Lake. Illustration by William Henry Jackson, 1871