Alpine springbeauty (Claytonia megarhiza), Mount Evans, Colorado, United States of America, North America

St. Thomas Indian Mission and Colorado River, Yuma, Arizona, United States of America, North America

Casinos on the Colorado River, Laughlin City, Nevada, United States of America, North America

Case's fitweed (Corydalis caseana), Gunnison National Forest, Colorado, United States of America, North America

Writers Square on 16th Street Mall, Denver, Colorado, United States of America., North America

16th Street Mall, Denver, Colorado, United States of America, North America

Colorado Convention Center, Denver, Colorado, United States of America, North America

Yellow aspens in the fall, Colorado, United States of America, North America

Children learning to ski at Lionshead Village, Vail Ski Resort, Rocky Mountains, Colorado, United States of America, North America

Eagle Nest House, Ute Mountain Tribal Park, Colorado, United States of America, North America

Western monkshood or Aconite (Aconitum columbianum) with a bumble bee, Yankee Boy Basin, Uncompahgre National Forest, Colorado, United States of America, North America

Old man of the mountain or Alpine sunflower (Hymenoxys grandiflora), Mount Evans, Colorado, United States of America, North America

Lindsey-Flanigan Courthouse, Denver, Colorado, United States of America, North America

Champa Street, Denver, Colorado, United States of America, North America

Buildings along Main Street, Silverton, Colorado, United States of America, North America

View from Independence Pass, Colorado, United States of America, North America

Union Train Station, Denver, Colorado, United States of America, North America

Downtown Breckenridge, Rocky Mountains, Colorado, United States of America, North America

Children learning to ski at Lionshead Village, Vail Ski Resort, Rocky Mountains, Colorado, United States of America, North America

Arapahoe Basin Ski Resort, Rocky Mountains, Colorado, United States of America, North America

Windy Point, White River National Forest, Breckenridge, Rocky Mountains, Colorado, United States of America, North America

Tree House, Ute Mountain Tribal Park, Colorado, United States of America, North America

Hovenweep National Monument, Colorado, United States of America, North America

Silverton, Colorado, United States of America, North America

Mountain harebell (Campanula lasiocarpa), Gunnison National Forest, Colorado, United States of America, North America

Rafting down the Colorado River through turbulent waters of the Grand Canyon, Arizona, United States of America, North America

Civic Center Plaza skyscrapers in the evening, Denver, Colorado, United States of America (USA), North America

Civic Center Plaza, skyscrapers in the evening, Denver, Colorado, United States of America (U.S.A.), North America

Hamill House Museum, Georgetown, Rocky Mountains, Colorado, United States of America, North America

Snow-covered boulders and flowing creek, Glacier Creek, Rocky Mountain National Park, Colorado, United States of America, North America

Hovenweep National Monument, Colorado, United States of America, North America

Indian Gardens along the Bright Angel trail, Colorado, United States of America, North America

Dory moored along the Colorado River, Colorado, United States of America, North America

State Capitol Building, Denver, Colorado, United States of America, North America

Happy tourists on two rafts celebrating, in the beautiful scenery of the Colorado River in the Grand Canyon, Arizona, United States of America, North America

Tourist bathing in a waterfall, seen while rafting down the Colorado River, Grand Canyon, Arizona, United States of America, North America

Miner Street, Idaho Springs, Colorado, United States of America, North America

View from summit, Independence Pass, Colorado, United States of America (U.S.A.), North America

The U.S. Mint, Denver, Colorado, United States of America (U.S.A.), North America

Old ochre mines, near Roussillon, Colorado de Rustrel, Alpes-de-Haute-Provence, Provence, France, Europe

Stores in downtown Breckenridge, Rocky Mountains, Colorado, United States of America, North America

City of Frisco, Rocky Mountains, Colorado, United States of America, North America

Mesa Verde, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, United States of America, North America

Elk herd, Flagstaff Mountain, Colorado, United States of America, North America

Aerial view of the Rockies in Colorado, United States of America, North America

North Clear Creek Falls, Rio Grande National Forest, Colorado, United States of America, North America

River Palms and Harrah's Casinos on the Colorado River, Laughlin City, Nevada, United States of America, North America

Navarre Building on Tremont Street, Denver, Colorado, United States of America, North America

Rafting down the Colorado River through turbulent waters of the Grand Canyon, Arizona, United States of America, North America

Spruce Tree House, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, United States of America, North America

Restaurant in downtown Breckenridge, Rocky Mountains, Colorado, United States of America, North America

House, City of Leadville, Rocky Mountains, Colorado, United States of America, North America

Ranch and Sawatch Range, Leadville City, Rocky Mountains, Colorado, United States of America, North America

Performing Arts Complex, Denver, Colorado, United States of America, North America

Rafting on the Upper Colorado River near Moab, Utah, United States of America, North America

Square tower house, Mesa Verde, UNESCO World Heritage Site, Colorado, United States of America, North America

Colorado Belle Casino on the Colorado River, Laughlin City, Nevada, United States of America, North America

Rafting down the Colorado River, Grand Canyon, Arizona, United States of America, North America

Tourists bathing in a waterfall, seen while rafting down the Colorado River, Grand Canyon, Arizona, United States of America, North America

Irrigated ranch by the Colorado River adds green to this otherwise arid landscape of sandstone canyons north east of Moab, Colorado River, Utah, Usa

Usa, South West, Arizona, Grand Canyon National Park, South Rim, Mule Caravan Returning From The Colorado River Ranch

Flamingo Casino reflected in the Colorado River, Laughlin, Nevada, United States of America, North America

Display of ornate cowboy boots in a shop in Aspen, Colorado, USA, North America

The Glen Canyon Dam on the Colorado River, that generates power and forms Lake powell, the country's largest resevoir, Glen Canyon, Arizona, USA

Display of ornate cowboy boots and buffalo head in a shop in Aspen, Colorado, USA, North America

Looking from Dead Horse Point near Canyonlands National Park over the Colorado River canyon to the evaporation ponds at Potash. Mined salts are concentrated here for the extraction of potash for fertilizer, Dead Horse Point State Park, Utah, USA

Downtown, Leadville, Colorado, United States of America, North America

Shop selling cowboy hats in Aspen, Colorado, USA, North America

Street sign at Dinosaur in the far north west. Previously called Artesia, it was renamed in 1965 to capitalize on it's proximity to Dinosaur National Monument, North West, Colorado, USA

Looking from Dead Horse Point Overlook towards the Goose Neck bend, where the Colorado River Colorado River has carved a dramatic course through the sandstone plateau at Canyonlands National Park, Dead Horse point State Park, Utah, Usa

Sign for the town of Dinosaur in the far north west. Previously called Artesia, it was renamed in 1965 to capitalize on it's proximity to Dinosaur National Monument, North West, Colorado, USA

The White Rim sandstone bench in the north west of this spectacular park where the canyons of the Colorado and Green Rivers have dramatically eroded the Colorado plateau, Canyonlands National Park, Utah, United States of America (USA), North America

Maroon Bells, Aspen, Colorado, Rockies, United States of America, North America

'Hoodoos' - rock towers of eroding softer rock under hard cap rock at the White Rim sandstone bench in the north west of this spectacular park where the canyons of the Colorado and Green Rivers have dramatically eroded the Colorado plateau, Canyonlands National Park, Utah, United States of America (USA), North America

Looking from Dead Horse Point Overlook towards Meander Canyon, where the Colorado River Colorado River has carved a dramatic course through the sandstone plateau at Canyonlands National Park, Dead Horse point State Park, Utah, Usa

Looking from Dead Horse Point Overlook towards Meander Canyon, where the Colorado River Colorado River has carved a dramatic course through the sandstone plateau at Canyonlands National Park, Dead Horse point State Park, Utah, Usa

Cow-Boy Spurs, Colorado, Usa

Soaring Eagle sculpture by Michail Razvan, Frisco, Colorado, United States of America, North America

Sprague Lake, Rocky Mountain National Park, Colorado, United States of America, North America

Working pumpjack near Rangely in the desert plateau oilfields of the Rio Blanco area in the far north west. War needs stimulated drilling here in the 1940s, north west, Colorado, Utah, United States of America (USA), North America

Elk crossing, Sprague Lake, Rocky Mountain National Park, Colorado, United States of America, North America

Lake Powell in the Glen Canyon National Recreation area, the country's largest resevoir, formed by the The Glen Canyon Dam on the Colorado River, Glen Canyon, Arizona, USA

Royal Gorge Bridge, Colorado, United States of America, North America

Horseshoe bend, colorado river, glen canyon national recreation area, page, arizona, usa, north america

Usa, South West, Colorado, Grand Junction, The Colorado Monument Park

Cow-Boy Spurs, Colorado, Usa

Clock on 16th Street Mall, Denver, Colorado, United States of America, North America

Big Thompson River, Rocky Mountain National Park, Colorado, United States of America, North America

Hanging Lake, Glenwood Canyon, Interstate 70, Glenwood Springs, Colorado, United States of America, North America

Twin Lakes National Historic District, Leadville area, Colorado, United States of America, North America

Maroon Bells, Aspen, Colorado, Rockies, United States of America, North America

Usa, South West, Colorado, Lake Saint Georges Vicinity, Two Cowboys Riding In The Fall

Indian headdress, Estes Park Western Heritage Days, Rocky Mountains, Colorado, United States of America, North America

Dancers by J. Borofsky, Performing Arts Complex, Downtown, Denver, Colorado, United States of America, North America

Dinosaur Ridge National Natural Landmark, Golden, Colorado, United States of America, North America

Big Thompson River, Rocky Mountain National Park, Colorado, United States of America, North America

Colorado Belle casino, Laughlin, Nevada, United States of America, North America

Sprague Lake, Rocky Mountain National Park, Colorado, United States of America, North America

Independence Pass, Sawatch Range, Rocky Mountains, Aspen region, Colorado, United States of America, North America

Colorado River, Yuma, southern Arizona, United States of America, North America