Jack Dykinga / Scalding hot water continuously spouting behind layers of mineral deposits, Fly Geyser, Black Rock Desert, Great Basin Desert, Nevada, USA
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Ingo Arndt / Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA, September 2011.
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Ingo Arndt / View of Badlands National Park, with shadows cast between mountain peaks, and sediment layers visible, South Dakota, USA. September 2009.
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Ingo Arndt / View of Badlands National Park, with shadows cast between mountain peaks, and sediment layers visible, South Dakota, USA. September 2009.
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Kirkendall-Spring / Squaretop Mountain, Bridger Wilderness of the Wind River Range, Bridger National Forest, Wyoming, USA.
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Andy Trowbridge / Matterhorn (4,478m) at sunrise, with reflection in Lake Stellisee, Zermatt, Switzerland, September 2012.
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Pete Oxford / Three granite peaks of Paine mountain range, Torres del Paine National Park, Patagonia, Chile.
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Peter Cairns / Selfoss waterfall in autumn with snow, north Iceland, September 2013.
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Peter Cairns / Twilight over Flakstad beach, Lofoten, Norway. February 2014.
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Ole Jorgen Liodden / Ice cliff of the Austfonna ice cap with melt water and ice crashing down to the sea, Svalbard, Norway, July 2012.
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Jean E. Roche / Aerial view of Salin de Giraud, Camargue, France, July.
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Erlend Haarberg / Red fox (Vulpes vulpes) in snow, Varanger Peninsula, Norway.