Colorado, Ohio Pass, Colorful Autumn landscape, Mountains in distance.

Colorado, Ohio Pass, Colorful Autumn landscape, Dramatic clouds and mountains in distance.

Colorado, Ohio Pass, Colorful Autumn landscape, Dramatic clouds and mountains in distance.

west of the turner valley, kananaskis, alberta

Autumn colours, off Road 7, Sneffels Range, near Ouray; Colorado, United States of America

Autumn colours, off Road 7, Sneffels Range, near Ouray; Colorado, United States of America

Autumn colours, off Road 7, Sneffels Range, near Ouray; Colorado, United States of America

Male hiker with poles on rock ridge overlooking alpine valley with colourful larch trees in autumn and mountain cliffs with blue sky in the background, Kananaskis Provincial Park; Alberta, Canada

Colourful trees in autumn framing dramatic mountain in the background; Sesto, Bolzano, Italy

Warm autumn scene of willow trees hanging over a stream. Snow-capped mountains stand on the horizon against a clear blue sky; Tupungato, Mendoza, Argentina

Aerial view of golden fields divided by a road and mountains in the distance with blue sky; Alberta, Canada

Two male hikers with arms raised in the air on rock ridge overlooking alpine valley with colourful larch trees in autumn and rocky peaks with blue sky and clouds, Kananaskis Provincial Park; Alberta, Canada

Snow-capped Kenai Mountains dwarf the Seward highway, trees covered in yellow leaves in autumn line the road, South-central Alaska; Seward, Alaska, United States of America

Snow-capped Kenai Mountains dwarf the Seward highway, trees covered in yellow leaves in autumn line the road, South-central Alaska; Seward, Alaska, United States of America

Cook Inlet and Point MacKenzie on a clear autumn day, the snow covered Tordrillo Mountains in the distance; South-central Alaska; Anchorage, Alaska, United States of America

Colorado, Dallas Divide, Yellow Autumn trees, Mountain range and blue sky in distance.