Aerial view of Colony Glacier with Chugach Mountains in background and Lake George with Colony Point in foreground, South-central Alaska; Alaska, United States of America PacificStock
A hiker exits a small ice cave while exploring the terminal moraine of Black Rapids Glacier in the winter; Alaska, United States of America PacificStock
A hiker on a ridge in Denali National Park is dwarfed by Denali at sunrise in winter; Alaska, United States of America PacificStock
Grizzly bear (ursus arctos horribilis) looking for fish at sunrise in Ni'iinlii Njik (Fishing Branch) Territorial Park; Yukon, Canada PacificStock
Mendenhall Glacier and the surrounding mountains provide a view for hiker on Douglas Island in Tongass National Forest, Juneau, Alaska. PacificStock
Polar bear (ursus maritimus) along the Hudson Bay coastline waiting for the bay to freeze over; Churchill, Manitoba, Canada PacificStock
Professional snowboarder, Frederik Kalbermatten, extreme snowboarding at sunset, Arlberg, Austria PacificStock
Female Ice Climber Rappels Into The Head Of Maligne Canyon In Jasper National Park, Alberta, Canada PacificStock
Snow covered mountain with frosted evergreen trees on hillside with clouds in the valley and blue sky; Radium Hot Springs, British Columbia, Canada PacificStock
Long exposure of the ice flowing down the Porcupine River after it broke up; Old crow, Yukon, Canada PacificStock
Glowing tent and kayak on the beach in front of Shoup glacier and mountains at dusk, Shoup Bay State Marine Park, Prince William Sound, Valdez, Southcentral Alaska PacificStock
King's Throne and Kathleen Lake at sunset in the Yukon's Kluane National Park; Yukon, Canada PacificStock
A brook flowing out of Hobsons Lake with ice on the wet rock, Birch Cove Lakes Wilderness; Bedford, Nova Scotia, Canada PacificStock
Man snowshoeing along the Dempster Highway under a moon glowing with rings; Yukon, Canada PacificStock
Man snowshoeing along the Dempster Highway under a moon glowing with rings; Yukon, Canada PacificStock
A bull moose (alces alces) makes vocalizations after sunset with the Alaska Range in the background during rutting season; Alaska, United States of America PacificStock
Moon over Chugach mountains and Kings Bay, Prince William Sound, Whittier, Southcentral Alaska, USA, Winter PacificStock
Long exposure of the ice flowing down the Porcupine River after it broke up; Old crow, Yukon, Canada PacificStock
Professional snowboarder, Frederik Kalbermatten, extreme snowboarding, Methven, New Zealand PacificStock
Frost coats the beach grass on the Salt Marsh; Florence, Oregon, United States of America PacificStock