Icebergs grounded on Diamond Beach near the Jökulsárlón glacial lagoon in southern Iceland.
Northern lights or aurora near Breladalsvik in eastern Iceland.
Seljalandsfoss waterfall in winter. Icleand.
Grizzly sow and cub in early spring. Northwest Wyoming.
Vesturhorn Mountain at sunrise in southeast Iceland.
Sow and cub grizzly on alert in Northwest Wyoming.
The Horns in Torres del Paine National Park, Chile.
Cerro Torre in Patagonia at sunrise. Los Glaciares National Park, Argentina.
Visitors at the Solar de Uyuni Salt Flats with water reflections. Bolivia
Mirror reflections in shallow water on the largest salt flat in the world, the Salar de Uyuni, Bolivia.
Travelers making a shallow crossing of the Salar de Uyuni salt flats, Bolivia.
A woman rests along side a roadway in Colchan, Bolivia.
Bison in blizzard conditions wintering in Lamar Valley. Yellowstone National Park, Wyoming.
Coyotes navigating through a fierce winter storm in Lamar Valley. Yellowstone National Park, Wyoming.
Morning Glory Pool in the Upper Geyser Basin of Yellowstone National Park, Wyoming.
Opalescent Pool in Biscut Basin in winter. Yellowstone National Park, Wyoming.
Frozen Lower Falls in the Grand Canyon of the Yellowstone in winter. Yellowstone National Park, Wyoming.
Mammoth Hot Spring travertine terraces under a winter blanket of snow in winter. Yellowstone National Park, Wyoming.
Cupid Spring and filamentous algae at Mammoth Hot Springs. Yellowstone National Park, Wyoming.
Sunrise on Squaretop Mountain and the Green River. Wind River Mountains, Wyoming.
A frosty bison at -20F in winter. Yellowstone National Park, Wyoming.
Sow and cub polar bears on pack ice in the arctic above Sptizbergen, Norway.
Polar bears on pack ice in the arctic above Sptizbergen, Norway hunting for seals.
Arctic fox in summer hunting common eider duck chicks and eggs colony in Svalbard, Norway.
Rhyolite hills around Landmannalaugar. Fjallabak Nature Reserve, Iceland.
Iceberg arches in Dallmann Bay, Antarctica.
Floating icebergs in Paradise Bay(Paradise Harbor) in Antarctica.
Panoramic landscape around the Gerlache Strait, Antarctica.
Teton Range in winter. Grand Teton National Park, Wyoming.
Bull elk fighting during fall rut in Yellowstone National Park, Wyoming.
Taurus Geyser in the Orion Group . Shoshone Geyser Basin in the backcountry of Yellowstone National Park, Wyoming.
The lily shaped Fleur de Lis Spring(SOGNN002) in the Orion Group of Geysers in Shoshone Geyser Basin. Yellowstone National Park, Wyoming.
Cave Falls at night with illuminated moisture coming off of falls in the remote southwest region of Yellowstone National Park, Wyoming.
Bull elk migrating across the Snake River in Grand Teton National Park, Wyoming.
Star trails over Yosemite Falls at night, Yosemite National Park, California.
Rare lunar moon bow at night under full moon over Yosemite Falls in Yosemite National Park, California.
Palette Spring at Mammoth Hot Springs, Yellowstone National Park.
Adelie Penguin(Pygoscelis adeliae) on floating on iceberg at Brown Bluff, Antarctica.
Zodiac in front of giant glacier in Paradise Bay, Antarctica