Aspen trunks among yellow leaves, Uncompahgre National Forest, Colorado, United States of America, North America

Aspen trunks among yellow leaves, Uncompahgre National Forest, Colorado, United States of America, North America

Two evergreen trees among yellow aspen trees in the fall, White River National Forest, Colorado, United States of America, North America

Snowmass Ski Area near Aspen, Colorado, USA

Orange and yellow aspen leaves, White River National Forest, Colorado, United States of America, North America

Layers of yellow aspen and evergreen in the fall, White River National Forest, Colorado, United States of America, North America

Aspen trunks in the fall, White River National Forest, Colorado, United States of America, North America

Aspen grove in early fall, White River National Forest, Colorado, United States of America, North America

Aspen trees, Maroon Bells area, White River National Forest, Colorado.

Aspen trees in a forest, Banff National Park, Alberta, Canada

Fire warning sign at White River National Forest, Aspen, Rocky Mountains, Colorado, USA, North America, America

Maroon Bells and aspen trees with fall colors, Aspen, White River National Forest, Colorado, USA

A snowboarder jumps a feature in Aspen while filming for "The Art Of Flight".

Aspen trees turn the color of an artist palette during autumn in Colorado. Colour extends as far as the eye can see in one of natures most beautiful example of fall colors. This has an abandoned cabin in the foreground, Grand Junction, Colorado, United States of America

Fall colors abound in Colorado during the seasonal change. Brilliant yellow leaves adorn the trees as far as you can see. A beautiful state to drive through during autumn, Grand Junction, Colorado, United States of America

Person In Air After Making A Jump While Snowboarding, Aspen, Colorado, USA

Calgary, Alberta, Canada, White Aspens In Winter

Alberta, Canada, White Aspens In A Forest

Colorado, Near Aspen, Landscape of Maroon Lake and on Maroon Bells in distance, Early snow.

Colorado, Steamboat, Aspen tree trunks in grove, yellow autumn leaves.

Colorado, Near Aspen, Landscape of Maroon Lake and on Maroon Bells in distance, Early snow.

Colorado, Steamboat, Yellow aspen leaves on country road.

Colorado, Near Steamboat Springs, Buffalo Pass, Yellow aspen tree canopy.

Colorado, Near Steamboat Springs, Buffalo Pass, Yellow aspen tree canopy.

Colorado, Near Steamboat Springs, Buffalo Pass, Fall-colored aspen trees.

Colorado, Near Steamboat Springs, Buffalo Pass, Line of fall-colored aspen trees.

Colorado, Near Steamboat Springs, Buffalo Pass, Yellow aspen tree canopy.

Hiker in Aspen forest in autumn, Jasper National Park, Alberta

Pasture and Aspen trees in winter with the Canadian Rockies in the background along the Horse Creek Road near Cochrane Alberta

Fall colours in the Wasatch Mountains forests. Aspen trees with slender trunks and white bark, Utah, USA

The Dixie national forest with aspen trees in autumn. White bark and yellow foliage on the branches and fallen to the ground, Dixie National Forest, Utah, USA

Autumn in Dixie National Forest. White branches and tree trunks of aspen trees, with yellow brown foliage. Dark green pine trees, Dixie National Forest, Utah, USA

Horse in a field of wildflowers and aspen trees. Uinta Mountains, Utah, Uinta Mountains, Utah, USA

Maple and aspen trees in the national forest of the Wasatch mountains. White bark and slender tree trunks, Wasatch National Forest, Utah, USA

An aspen tree with smooth white bark. The outline shadow of three maple leaves on the trunk, Utah, USA

The Dixie national forest with aspen trees in autumn. White bark and yellow foliage on the branches and fallen to the ground, Dixie National Forest, Utah, USA