Yellowstone: Top Photos

The caldera that powers half the world's geysers

Clepsydra Geyser (Lower Geyser Basin) in the Yellowstone National Park, Wyoming, USAYellowstone National Park was founded on March 1, 1872, and is considered the world’s first national park. It is loc
Clepsydra Geyser (Lower Geyser Basin) in the Yellowstone National Park, Wyoming, USAYellowstone National Park was founded on March 1, 1872, and is considered the world’s first national park. It is… © Dietmar Rabich, CC BY-SA 4.0, via Wikimedia Commons

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