Hoarfrost covers holiday decorations on a wreath, 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
Colorful sunrise over a stream and the salmon viewing deck at the Eagle River Nature Center in Chugach State Park, Southcentral Alaska, Winter, HDR PacificStock
Young Grizzly cub (ursus arctos horribilis) walking across a log in Ni'iinlii Njik (Fishing Branch) Territorial Park; Yukon, Canada PacificStock 38
Cattle standing in a field at sunrise with wind turbines in the background, near Edgewood; Iowa, United States of America PacificStock
Aurora borealis over frozen Susitna River with Mt. Foraker and Mt. Hunter in the background. PacificStock
Four trees with leaves in a foggy snow covered field with hazy blue sky; Alberta, Canada PacificStock
Sunrise illuminated the birch and spruce trees in the forest near Fairbanks, on a winter's morning in subzero temperatures; Alaska, United States of America PacificStock
Arctic fox (Vulpes lagopus) staring at the photographer while digging in the snow; Churchill, Manitoba, Canada PacificStock
An open creek with snow covered curvy banks, filled with snow covered rocks and snow covered trees with snow covered mountain, blue sky and clouds in the background; Kananaskis Country, Alberta, Canada PacificStock
Late winter afternoon light warms up the mountains along the Takhini River, near Whitehorse; Yukon, Canada PacificStock
An open pond in the winter with snow covered hilly banks, evergreen trees and bulrushes; Calgary, Alberta, Canada 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
An unnamed glacier flows down from the Chugach Mountains towards Thompson Pass near Valdez; Alaska, United States of America PacificStock
Polar bear (ursus maritimus) walking through the snow and blizzard near Churchill; Manitoba, Canada 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
A trail of light leads past an orange tent in the middle of an snowy evergreen forest, snowshoes outside the tent, moonlight casting shadows on a clear winter night, Interior Alaska; Gakona, Alaska, United States of America PacificStock
Snow-covered Glen Span Arch, Central Park; New York City, New York, United States of America PacificStock
The sun shines through low altitude fog cast in warm light along Turnagain Arm and the Seward Highway, sea ice covering the ocean in the foreground, the Kenai Moutains revealed in the background, South-central Alaska; Alaska, United States of America PacificStock
Professional snowboarder making an extreme jump of a vertical wall near Ushuaia, Patagonia, Argentina, South America PacificStock
Man riding a snowmachine up the Anaktuvuk River Valley at sunset, Gates of the Arctic National Park, Brooks Range, Arctic Alaska PacificStock
A humpback whale breaches as it leaps from the calm waters of Lynn Canal in Alaska's Inside Passage. The forested shoreline and Chilkat Mountains beyond, Tongass National Forest. PacificStock
Late winter afternoon light warms up the mountains along the Takhini River, near Whitehorse; Yukon, Canada PacificStock
The Pool frozen over at sunrise in Central Park; New York City, New York, United States of America PacificStock
Shadow of a fir tree falls across a pristine drift of snow, sparkling in the sun; Filzmoos, Austria PacificStock