Backcountry waterfall under a summer moon. Popo Agie Wilderness Area. Wyoming.
Milky Way over an extinct volcanic cone named Boars Tusk in the Red Desert of Wyoming.
Cracked eggs or sometimes called Alien Eggs in the Bisti Badlands under the Milky Way. New Mexico.
Lava Lizard(tropidurus spp) sitting on the head of a marine iguanas(Amblyrhynchus cristatus Bell). Fenandina Island in the Galapagos Islands, Equador.
Galapagos sea lions(Zolophus wolleboeki) playing in the waters around Espanola Island. Galapagos Islands, Equador.
Cooled rope lava on Santiago Island. Galapagos Islands, Equador.
Waved albatross(Phoebastria irrorata) courtship display on Espanola Island. Galapagos Islands, Equador.
Sally lightfoot crabs feeding on algae at Mosquera Beach, Galapagos Islands, Equador.
Castle Geyser erupting at night in Yellowstone National Park, Wyoming.
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.
Vesturhorn Mountain at sunrise in southeast Iceland.
Grizzly sow and cub in early spring. Northwest Wyoming.
Sow and cub grizzly on alert in Northwest Wyoming.
Visitors at the Solar de Uyuni Salt Flats with water reflections. Bolivia
Travelers making a shallow crossing of the Salar de Uyuni salt flats, Bolivia.
A woman rests along side a roadway in Colchan, Bolivia.
A frosty bison at -20F in winter. Yellowstone National Park, Wyoming.
Bison in blizzard conditions wintering 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.
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.
Sow and cub polar bears on pack ice in the arctic above Sptizbergen, Norway.
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.
Panoramic landscape around the Gerlache Strait, Antarctica.
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.
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.