A lone bison grazes in the Lamar Valley of Yellowstone National Park. Although eradicated nearly to extinction in North America wild bison received protection under the Lacey Act of 1894 and have rebounded to graze in abundance in Yellowstone today.
Pilot & Index Peaks, guardians of the northeast entrance of Yellowstone National Park, and iconic landscape features of the Greater Yellowstone.
A mother polar bear and her lone cub bask in the setting sun on thin sea ice off the coast of Svalbard, Norway.
Steam rising above Morning Glory geyser in Yellowstone National Park.
An Arctic tern feeds her chick in Ny Aslund, Svalbard. Arctic terns migrate all the way from the Arctic to the Antarctic annually, a minimum journey of 19,000km/12,000m.
A mother polar bear and her cub of the year, snoozing away along the shores of Hudson Bay while they wait for the annual sea ice to return.