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
Dark storm clouds roll over a golden farm field with hay bales; Ravensworth, North Yorkshire, England PacificStock
Souter Lighthouse under a glowing golden sky at sunset; South Shields, Tyne and Wear, England PacificStock
Souter Lighthouse under a glowing golden sky at sunset; South Shields, Tyne and Wear, England PacificStock
Glowing warmly lit snow covered mountain range and foothills with glowing clouds and blue sky at sunrise; Calgary, Alberta, Canada PacificStock
Silhouette of dead tree against a dramatic cloud formation with blue sky; Calgary, Alberta, Canada PacificStock
Dramatically glowing sky at sunrise with snow covered mountain range and fog in the valley; Kananaskis Country, Alberta, Canada PacificStock
Snow covered mountains with early morning light, silhouetted forest in the foreground, blue sky and clouds; Kananaskis Country, Alberta, Canada PacificStock
Panorama of snow covered mountains with early morning light, silhouetted forest in the foreground, blue sky and clouds; Kananaskis Country, Alberta, Canada PacificStock