Man riding a snowmachine up the Anaktuvuk River Valley at sunset, Gates of the Arctic National Park, Brooks Range, Arctic Alaska PacificStock
A backcountry skier looks over the Black Rapids Glacier valley from a high point on the terminal moraine in winter; Alaska, United States of America PacificStock
Plane beneath the aurora borealis at the Delta Junction airstrip; Alaska, United States of America 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 vibrant spiral light painting, the blurry figure of a man in the middle of the light painting, moonlight casting shadows on snow covered spruce trees on a clear winter night, interior Alaska; Gakona, Alaska, Un PacificStock
Snow covered metal and wooden grain bins with frosted trees, bushes and stubble with clouds and blue sky; Rosebud, Alberta, Canada PacificStock
The Aurora Borealis dances over the top of a vibrant spiral light painting, the blurry figure of a man in the middle of the light painting, moonlight casting shadows on snow covered spruce trees on a clear winter night, interior Alaska; Gakona, Alaska, Un PacificStock
Aurora borealis over frozen Susitna River with Mt. Foraker and Mt. Hunter in the background. PacificStock
Late winter afternoon light warms up the mountains along the Takhini River, near Whitehorse; Yukon, Canada PacificStock
Lone American Bison (bison bison) standing in snowy meadow with rugged cliffs in background, Shoshone National Forest; Wyoming, United States of America PacificStock
Professional snowboarder, Kevin Pearce, extreme snowboarding on formations on a glacier, Haines, Southeast Alaska PacificStock
Hoarfrost covers black spruce trees as ground fog and dusk descend on Palmer Hay Flats in South-central Alaska in winter; Alaska, United States of America PacificStock
Thin ice on a pond following a fresh snow on mountains in the Brooks Range north of Wiseman, Alaska. PacificStock
Shadow of a fir tree falls across a pristine drift of snow, sparkling in the sun; Filzmoos, Austria PacificStock
Colorful Sunrise Over A Stream At The Eagle River Nature Center In Chugach State Park, Southcentral Alaska, Winter, Hdr PacificStock
A humpback whale leaps (breaches) from the calm waters of Lynn Canal in Alaska's Inside Passage, near Juneau. Herbert Glacier and snowcapped mountains of Coastal Range beyond, Tongass National Forest. 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
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 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
Snow on the rugged Canadian Rocky Mountains and a snow covered field, Yoho National Park; Field, British Columbia, Canada PacificStock
Polar bear (ursus maritimus) laying alongside a thawing pond waiting for Hudson Bay to freeze over; Churchill, Manitoba, Canada PacificStock
Two red chairs on snow covered ridge overlooking frozen lake with snow covered mountain in the background with blue sky and clouds; Banff, Alberta, Canada PacificStock
Professional snowboarder making an extreme jump of a vertical wall near Ushuaia, Patagonia, Argentina, South America PacificStock
Man climbing a snow ridge for back country skiing, Turnagain Pass, Kenai Mountains, Southcentral Alaska, Winter PacificStock