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Durango and Silverton vintage steam engine, Hermosa, Colorado, United States of America, North America
Trees in fall colours below snow covered Maroon Bell Mountains, at Aspen, Colorado, United States of America, North America
New Mexico and Colorado, Cumbres and Toltec Scenic Railroad, National Historic Landmark, narrow guage, steam powered locomotives, United States of America, North America
New Mexico and Colorado, Cumbres and Toltec Scenic Railroad, National Historic Landmark, narrow guage, steam powered locomotives, United States of America, North America
New Mexico and Colorado, Cumbres and Toltec Scenic Railroad, National Historic Landmark, narrow guage, steam powered locomotives, United States of America, North America
New Mexico and Colorado, Cumbres and Toltec Scenic Railroad, National Historic Landmark, narrow guage, steam powered locomotives, with tourist cars, United States of America, North America
New Mexico and Colorado, Cumbres and Toltec Scenic Railroad, National Historic Landmark, narrow guage, steam powered locomotives, with tourist cars, United States of America, North America
New Mexico and Colorado, Cumbres and Toltec Scenic Railroad, National Historic Landmark, narrow guage, steam powered locomotives, United States of America, North America
Blue columbine (Aquilegia coerulea), Weston Pass, Pike and San Isabel National Forest, Colorado, United States of America, North America
Prairie Smoke (purple avens) (Old Man's Whiskers) (Long-Plumed Avens) (Geum triflorum), Cottonwood Pass, Collegiate Peaks Wilderness, Gunnison National Forest, Colorado, United States of America, North America
Blue Columbine (Aquilegia coerulea), Maroon Bells-Snomass Wilderness, White River National Forest, Colorado, United States of America, North America
Barbey's Larkspur (Delphinium barbeyi), Cottonwood Pass, Collegiate Peaks Wilderness, Gunnison National Forest, Colorado, United States of America, North America
Giant dustpan and broom, Big Sweep 2006 by Coosje van Bruggen and Claes Oldenburg, Denver Art Museum, Denver, Colorado, United States of America, North America
Dancers by Jonathan Borofsky, Sculpture Park, Performing Arts Complex, Denver, Colorado, United States of America, North America
Big Sweep sculpture by Claes Oldenburg, Denver Art Museum, Denver, Colorado, United States of America, North America
Durango and Silverton Narrow Gauge Railroad, Silverton, Colorado, United States of America, North America
Colorado River near Parker, Arizona, United States of America, North America
New Mexico and Colorado, Cumbres and Toltec Scenic Railroad, National Historic Landmark, narrow guage, steam powered locomotives, with tourist cars, United States of America, North America
Maroon Bells reflected in Crater Lake with fall color, White River National Forest, Colorado, United States of America, North America
Maroon Bells at dawn with Maroon Lake in the fall, White River National Forest, Colorado, United States of America, North America
Maroon Bells reflected in Maroon Lake with fall color, White River National Forest, Colorado, United States of America, North America
The Redwall Cavern, a giant cave in the walls of the Grand Canyon, seen while rafting down the Colorado River, Grand Canyon, Arizona, United States of America, North America
Ice climbing at Ice Park, Box Canyon, climbing capital of America, Ouray, Colorado, United States of America, North America
Scarlet Gilia (fairy trumpet) (scarlet skyrocket) (skunk flower) (Ipomopsis aggregeta) (Gilia aggregeta), Gunnison National Forest, Colorado, United States of America, North America
Waterfall on the Colorado River, Hacienda Guachipelin, near Rincon de la Vieja National Park, Guanacaste, Costa Rica, Central America
The Dyke with the fall colours, Grand Mesa-Uncompahgre-Gunnison National Forest, Colorado, United States of America, North America
Two bighorn sheep (Ovis canadensis) rams butting heads during the rut, Clear Creek County, Colorado, United States of America, North America
Colourful buildings in the Wild West old silver mining town of Silverton, Colorado, United States of America, North America
Ice climbing at Ice Park, Box Canyon, climbing capital of America, Ouray, Colorado, United States of America, North America
Cliff Palace, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, United States of America, North America
Pigs and metal styes on a pig farm in Colorado, United States of America, North America
Vulcan's Throne, the west rim, above the Colorado River, Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America (USA), North America
Aerial view over the Cliff Palace crowded, with tourists, in the Mesa Verde National Park, UNESCO World Heritage Site, Colorado, United States of America, North America
Roseroot (King's Crown) (Sedum rosea), Mount Evans, Colorado, United States of America, North America
Fossilised bones including hind leg of Sauropod and Apatosaurus, Dinosaur National Monument, Colorado and Utah, United States of America, North America
Richardson's Geranium (Geranium richardsonii), Gunnison National Forest, Colorado, United States of America, North America
Star Gentian (Felwort) (Swertia perennis) with frost, Colorado State Forest State Park, Colorado, United States of America, North America
American bumble bee (Bombus pennsylvanicus) on standing milkvetch (standing milk-vetch) (Astragalus adsurgens), Red Feather Lakes District, Roosevelt National Forest, Colorado, United States of America, North America
Denver Monoliths by Beverly Pepper, Denver Art Museum, Denver, Colorado, United States of America, North America
Horseshoe Bend on the Colorado River, Page, Arizona, United States of America, North America
Skiers coming down from the slopes, Vail Village Ski Resort, Colorado, United States of America, North America
Downtown Denver Art Museum, Denver, Colorado, United States of America, North America
Emperor tamarin (Saguinus imperator) in captivity, Denver Zoo, Denver, Colorado, United States of America, North America
Big Sweep sculpture by Claes Oldenburg, Denver Art Museum, Denver, Colorado, United States of America, North America
Yankee Girl Silver and Gold Mine, Ouray, Colorado, United States of America, North America
Yankee Girl Silver and Gold Mine, Ouray, Colorado, United States of America, North America
Kayaking and rafting down the Colorado River, Castle Valley near Moab, Utah, United States of America, North America
Couple kayaking down the Colorado River, Castle Valley near Moab, Utah, United States of America, North America
Street Scene, Ouray, Colorado, United States of America, North America
Erosion prevention, contoured bands of trees unfelled, also acting as fire break, Leadville, Colorado, United States of America, North America
Mountain goat on peak, Mt. Evans, Colorado, United States of America, North America
Child skiing, Arapahoe Basin Ski Resort, Rocky Mountains, Colorado, United States of America
Alpine clover (Trifolium dasyphyllum), Mount Evans, Colorado, United States of America, North America
The Buckhorn Exchange restaurant, established in 1893, Denver, Colorado,United States of America, North America
Restaurant Building, Silverton, Colorado, United States of America, North America
Aircraft vapour trails above clouds over Colorado, United States of America, North America
House detail, City of Leadville, Rocky Mountains, Colorado, United States of America, North America
Skiers being carried on a chair lift to the back bowls of Vail ski resort, Vail, Colorado, United States of America, North America
A trail marker below the Gore mountains at Vail Ski Resort, Vail, Colorado, United States of America, North America
Ice climbing at Ice Park, Box Canyon, climbing capital of America, Ouray, Colorado, United States of America, North America
Pueblo ruins in Mesa Verde containing some of the most elaborte Pueblo dwellings found today, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, United States of America, North America
Mountain bluebell (Mertensia ciliata), Yankee Boy Basin, Uncompahgre National Forest, Colorado, United States of America, North America
Animas Forks Mine ruins, Animas Forks, Colorado, United States of America, North America
A pretty Victorian style mining town known as the Gem of the Rockies (Rocky Mountains) situated at 7800 ft. in the San Juan mountains with 5000 ft. cliffs rising around it, Ouray, Colorado, United States of America (U.S.A.), North America
Flamingoes in small salt lake near Laguna Colorado, Southwest Highlands, Bolivia, South America
Bridge over Gore Creek, Vail Ski Resort, Rocky Mountains, Colorado, United States of America, North America
Lionshead Village ski run, Vail Ski Resort, Rocky Mountains, Colorado, United States of America, North America
Pawnee Buttes, Pawnee National Grassland, Colorado, United States of America, North America
Parry’s primrose (Primula parryi), Mount Evans, Colorado, United States of America, North America
Redstem cinquefoil (Potentilla rubricaulis) bloom, Gunnison National Forest, Colorado, United States of America, North America
Yellow aspens and evergreens in the fall, Grand Mesa-Uncompahgre-Gunnison National Forest, Colorado, United States of America, North America
Mountain death camas (Elegant Deathcamas) (Alkali Grass) (Zigadenus elegans), Cottonwood Pass, Collegiate Peaks Wilderness, Gunnison National Forest, Colorado, United States of America, North America
Big blue bear at Colorado Convention Center, Denver, Colorado, United States of America, North America
Larimer Square, Denver, Colorado, United States of America (U.S.A.), North America
Steam fumaroles in geothermal field, Sol de Manana, near Laguna Colorado, Southwest Highlands, Bolivia, South America
Rocky Mountain red columbine (Aquilegia elegantula), 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
Couple kayaking down the Colorado River, Castle Valley near Moab, Utah, United States of America, North America
Durango and Silverton Narrow Gauge Railroad, Silverton, Colorado, United States of America, North America
Waterfall on the Colorado River, Hacienda Guachipelin, near Rincon de la Vieja National Park, Guanacaste, Costa Rica, Central America
Christmas decorations on fence, Breckenridge, Rocky Mountains, Colorado, United States of America, North America
Skiers near chair lift, Arapahoe Basin Ski Resort, Rocky Mountains, Colorado, United States of America
County Court House in the the Wild West old silver mining town of Silverton, Colorado, United States of America, North America
Horseshoe Bend, Colorado River, near Page, Arizona, United States of America, North America
Mountain goat (Oreamnos americanus), Mount Evans, Colorado, United States of America, North America
Richardson's geranium (Geranium richardsonii), Weston Pass, Pike and San Isabel National Forest, Colorado, United States of America, North America
Pinedrops (Pterospora andromedea), Red Feather Lakes District, Roosevelt National Forest, Colorado, United States of America, North America
Follow The Sun sculpture, Pioneers Museum, Colorado Springs, Colorado, United States of America, North America
Tourists at the Nankoweap Viewpoint admiring the scenery, seen while rafting down the Colorado River, Grand Canyon, Arizona, 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
Beer mural on casino wall, Black Hawk City, Rocky Mountains, Colorado, United States of America, North America
Camping area on shore of Twin Lakes in San Isabel National Forest, with Sawatch Mountains, part of the Rockies, in the background, Aspen, Colorado, United States of America, North America
Row of skis at Lionshead Village, Vail Ski Resort, Rocky Mountains, Colorado, United States of America, North America
Barn near Snowmass Village, Aspen region, Rocky Mountains, Colorado, United States of America, North America
Ice climbing at Ice Park, Box Canyon, climbing capital of America, Ouray, Colorado, United States of America, North America
Sand dunes in the Great Sand Dunes National Park and Preserve with Sangre Cristo Mountains in the background, Colorado, United States of America, North America
Splitleaf Painted-Cup (Castilleja rhexifolia), Cottonwood Pass, Collegiate Peaks Wilderness, Gunnison National Forest, Colorado, United States of America, North America
Frosty leaf, White River National Forest, Colorado, United States of America, North America
Whipple's penstemon (Penstemon whippleanus), Gunnison National Forest, Colorado, United States of America, North America
Mouse-ear chickweed (field chickweed) (Cerastium strictum) (Cerastium arvense), Cottonwood Pass, Collegiate Peaks Wilderness, Gunnison National Forest, Colorado, United States of America, North America