Brown bear (ursus arctos) in the frosty grass, captive at the Alaska Wildlife Conservation Center; Portage, Alaska, United States of America PacificStock
The Pool frozen over at sunrise in Central Park; New York City, New York, United States of America PacificStock
Mature Black bear (Ursus americanus) walking over grass with peaked mountains in the background, captive at the Alaska Wildlife Conservation Centre; Portage, Alaska, United States of America PacificStock
Lone American Bison (bison bison) standing in snowy meadow with rugged cliffs in background, Shoshone National Forest; Wyoming, United States of America PacificStock
Man riding a snowmachine up the Anaktuvuk River Valley at sunset, Gates of the Arctic National Park, Brooks Range, Arctic Alaska PacificStock
Aurora borealis over frozen Susitna River with Mt. Foraker and Mt. Hunter in the background. PacificStock
Polar bear (ursus maritimus) walking through the snow and blizzard near Churchill; Manitoba, Canada PacificStock
Snow-covered Glen Span Arch, Central Park; New York City, New York, United States of America PacificStock
An open pond in the winter with snow covered hilly banks, evergreen trees and bulrushes; Calgary, Alberta, Canada PacificStock
Snow-covered Glen Span Arch, Central Park; New York City, New York, United States of America PacificStock
The Aurora Borealis dances over the top of a tent alight with string lights in the middle of an snowy evergreen forest, moonlight casting shadows on a clear winter night, interior Alaska; Gakona, Alaska, United States of America PacificStock
Fresh snow on holiday bow and decorations on fence post, Christmas season; Minnesota, United States of America PacificStock
A moose (alces alces) forages on a winter morning with the Alaska Range in the background partially enshrouded in clouds; Alaska, United States of America PacificStock
An unnamed glacier flows down from the Chugach Mountains towards Thompson Pass near Valdez; Alaska, United States of America PacificStock
Four trees with leaves in a foggy snow covered field with hazy blue sky; Alberta, Canada PacificStock
Professional snowboarder making an extreme jump of a vertical wall near Ushuaia, Patagonia, Argentina, South America PacificStock
Shadow of a fir tree falls across a pristine drift of snow, sparkling in the sun; Filzmoos, Austria PacificStock
Thin ice on a pond following a fresh snow on mountains in the Brooks Range north of Wiseman, Alaska. PacificStock
Green Aurora Borealis dances over the tops of snow covered black spruce trees, moonlight casting shadows on a clear winter night, interior Alaska; Gakona, Alaska, United States of America PacificStock