Pikes Peak Cog Railway atop Pikes Peak mountain, Pikes Peak, Colorado, USA
Glistening dunes and thunderstorm clouds at Great Sand Dunes National Monument, near Alamosa, Colorado, USA
Artist paints Maroon Bells, Aspen, Colorado, USA
Prairie horse, near Bedrock, Colorado, USA
State Capitol building is reflected in glass front of office building at dusk, Denver, Colorado, USA
Durango & Silverton Narrow Gauge Railway passes Animas river, near Rockwood, Colorado, USA
Rear-view mirror view of motorcycles on Trail Ridge Road, Rocky Mountain National Park, Colorado, USA
Cyclist on road to Maroon Bells, Aspen, Colorado, USA
Tree-shaped iron gate at entrance to Betty Ford Alpine Gardens, Vail, Colorado, USA
Royal Gorge Bridge, near Cañon City, Colorado, USA
Garden of the Gods rock formation, Colorado Springs, Colorado, USA
Autumn foliage on aspen trees with mountain in distance, near McClure Pass, Colorado, USA
Medano Creek amd dunes at Great Sand Dunes National Monument, near Alamosa, Colorado, USA
Happy skier on Aspen Mountain, Aspen, Colorado, USA
Marmot crossing warning sign near Maroon Bells, Aspen, Colorado, USA
Glenwood Hot Springs Pool, Glenwood Springs, Colorado, USA
Mailbox in wildflower meadow, Lyons, Colorado, USA
Quality Inn Motel welcome sign, Durango, Colorado, USA
Lake Granby Marina in Arapahoe National Recreation Area at dusk, near Granby, Colorado, USA
Pikes Peak Cog Railway on Pikes Peak mountain, Pikes Peak, Colorado, USA
Buildings on Elk Avenue, Crested Butte, Colorado, USA
Lakefront homes on Grand Lake, Rocky Mountain National Park, Colorado, USA
People enjoy horseback ride at Red Mountain Ranch, near Durango, Colorado, USA
Union Congregational Church building, Crested Butte, Colorado, USA
Skiers on Aspen Mountain, Aspen, Colorado, USA
Mile-high city: man with red pants on steps pf Colorado State Capitol building, Denver, Colorado, USA
Skateboarder with dogs, Crested Butte, Colorado, USA
Boy tries his luck fishing at Maroon Lake, Maroon Bells, Aspen, Colorado, USA
Aspen at dusk seen from Smuggler Mountain, Aspen, Colorado, USA
"John Wayne Slept Here" sign at Silver Spur Motel, Durango, Colorado, USA
Cutthroat trout at Hanging Lake, near Glenwood Springs, Colorado, USA
Artist paints Maroon Bells, Aspen, Colorado, USA
Mount Crested Butte, Crested Butte, Colorado, USA
Elk and mountains near Coyote Valley, Rocky Mountain National Park, Colorado, USA
Jeep at top of Imogene Pass road, near Telluride, Colorado, USA
Rockclimbers at Garden of the Gods rock formation, Colorado Springs, Colorado, USA
Train engineer aboard Durango & Silverton Narrow Gauge Railway, Silverton, Colorado, USA
Bear Lake, Rocky Mountain National Park, Colorado, USA
Hikers and aspen trees in autumn seen from Smuggler Mountain, Aspen, Colorado, USA
Hanging Lake, near Glenwood Springs, Colorado, USA
View from Aspen Mountain, Aspen, Colorado, USA
Young woman on horseback during Fantasy Ranch Pack Trip, Crested Butte, Colorado, USA
Rainbows over entrance sign to Great Sand Dunes National Monument, near Alamosa, Colorado, USA
Duens and Sangre de Christo Mountains at Great Sand Dunes National Monument, near Alamosa, Colorado, USA
Housesand aspen trees in autumn, Steamboat Springs, Colorado, USA
Rockclimbers at Garden of the Gods rock formation, Colorado Springs, Colorado, USA
People ride on horses past aspen trees in autumn during Fantasy Ranch Pack Trip, Crested Butte, Colorado, USA
Telluride Outside 4WD Jeep Tour at Smuggler-Union Tramway Ruins, near Telluride, Colorado, USA
Garden of the Gods rock formation and Pikes Peak mountain at sunrise, Colorado Springs, Colorado, USA
Train conductor leans out window of Durango & Silverton Narrow Gauge Railway, near Durango, Colorado, USA
Chrome sculpture "Running Stallion" by Artist Sean Guerrero in snow-covered meadow, Crested Butte, Colorado, USA
Cliff Palace Dwelling, Mesa Verde National Park, Colorado, USA
Red Mountains near Maroon Bells, Aspen, Colorado, USA
Autumn foliage on aspen trees, near Steamboat Springs, Colorado, USA
Trail Ridge Road, Rocky Mountain National Park, Colorado, USA
Frozen coin-operated binocular eyes atop Pikes Peak mountain, Pikes Peak, Colorado, USA
Ranger with long white beard, Rocky Mountain National Park, Colorado, USA
Durango & Silverton Narrow Gauge Railway, near Rockwood, Colorado, USA
Skiing at Mount Crested Butte, Crested Butte, Colorado, USA
Flowing water at Hanging Lake, near Glenwood Springs, Colorado, USA