Yellowstone: Top Photos

The caldera that powers half the world's geysers

Five bison stand along a trail in an open forest/grassy field. Bison along the Yellowstone River Trail; Diane Renkin; April 2016; Catalog # Keywords: yellowstone national park; mammals; wildlife; biso
Five bison stand along a trail in an open forest/grassy field. Bison along the Yellowstone River Trail; Diane Renkin; April 2016; Catalog # Keywords: yellowstone national park; mammals; wildlife;… © NPS/Diane Renkin, Public domain, via Wikimedia Commons

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