Yellowstone: Top Photos

The caldera that powers half the world's geysers

Several bison graze alongside a thermal body of water Bison at Terrace Springs; Jim Peaco; February 9, 2016; Catalog #20508d; Original #IMG_8211 Keywords: yellowstone national park; mammals; bison; bi
Several bison graze alongside a thermal body of water Bison at Terrace Springs; Jim Peaco; February 9, 2016; Catalog #20508d; Original #IMG_8211 Keywords: yellowstone national park; mammals; bison;… © NPS/Jim Peaco, Public domain, via Wikimedia Commons

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