A bird flies above trees under a cloudy sky and fog on the coast of Resurrection Bay, South-central Alaska; Seward, Alaska, United States of America PacificStock
The aurora glows in the sky above Donnelly Dome and a snowy, moonlit landscape, south of Delta Junction; Alaska, United States of America PacificStock
A bright band of aurora borealis stretches across the sky over a frozen beaver pond; Alaska, United States of America PacificStock
Morning alpenglow on an unnamed peak near McGinnis Glacier in the Alaska Range; 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
Autumn sunset overlooking the area known as 'Black Rapids' in the Alaska Range along the Richardson Highway; Alaska, United States of America PacificStock
Low altitude fog is cast in warm sunset light along Turnagain Arm and the Seward Highway in winter, sea ice covering the ocean in the foreground, the Chugach Moutains revealed in the background, South-central Alaska; Alaska, 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
Colourful Aurora borealis over a man with arms outstretched silhouetted against light pollution from nearby Fort Greely; Alaska, United States of America PacificStock
Aurora borealis swirls over mountains within Denali National Park on a very cold winter night; Alaska, United States of America PacificStock
Aurora borealis stretches over mountains within Denali National Park on a very cold winter night; Alaska, United States of America PacificStock
Sunrise over the pond and mountains along the Parks Highway in autumn, near Cantwell in interior Alaska; 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
Exit Glacier surrounded by autumn coloured foliage, South-central Alaska near Seward; Alaska, United States of America PacificStock
Snow covered evergreen trees on a snow covered hillside with blue sky and sun burst; Calgary, Alberta, Canada PacificStock
Dark storm clouds roll over a golden farm field with hay bales; Ravensworth, North Yorkshire, England PacificStock
Glowing warmly lit snow covered mountain range and foothills with glowing clouds and blue sky at sunrise; Calgary, Alberta, Canada PacificStock
A row of trees in a snow covered field with a bank of cloud and blue sky in the background; Calgary, Alberta, Canada PacificStock