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Moose Alces alces calf eating, Colorado State Forest State Park, Colorado, United States of America, North America





Sand dunes in early morning light - Great Sand Dunes National Park and Preserve - near Mosca, Colorado





View over Colorado River, Grand Canyon National Park, South Rim, Colorado Plateau, Arizona, USA





High angle view of rocks on a snow covered mountain, Rocky Mountain National Park, Colorado, USA





Ponderosa Pines among Boulders in Rocky Mountain National Park, Colorado. Ponderosa pines among boulders in Rocky Mountain Na...
Ponderosa Pines among Boulders in Rocky Mountain National Park, Colorado. Ponderosa pines among boulders in Rocky Mountain National Park, Colorado





LAVA FALLS RAPID is a Class 9 and considered the toughest on the Colorado River at mile 179 - GRAND CANYON NATIONAL PARK, ARI...
LAVA FALLS RAPID is a Class 9 and considered the toughest on the Colorado River at mile 179 - GRAND CANYON NATIONAL PARK, ARIZONA





Copyright James Kay. Two hikers watch the sunrise from atop Mesa Arch in the Island in the Sky district of Canyonlands Nation...
Copyright James Kay. Two hikers watch the sunrise from atop Mesa Arch in the Island in the Sky district of Canyonlands National Park in southern Utah. We have extensive files on all the national parks and other ares in southern Utah and the Colorado Plateau.





. Rocky Mountain National Park, Colorado.Pink wild flowers bask in the sun near the Alluvial Fan.





Star gentian felwort Swertia perennis, San Juan National Forest, Colorado, United States of America, North America





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





Rafters navigate GRANITE RAPID at mile 94, a Class 8 with a 17 foot drop and one of the largest on the Colorado River - GRAND...
Rafters navigate GRANITE RAPID at mile 94, a Class 8 with a 17 foot drop and one of the largest on the Colorado River - GRAND CANYON, ARIZONA





Autumn trees at a canyon, Black Canyon Of The Gunnison National Park, Gunnison River, Colorado, USA





Horseshoe Bend or King Bend, a meandering bend of the Colorado River, at sunset, Page, Glen Canyon National Recreation Area, ...
Horseshoe Bend or King Bend, a meandering bend of the Colorado River, at sunset, Page, Glen Canyon National Recreation Area, Arizona, United States of America, USA





Sheep posing in front of red buttes and colorful spires of Monument Valley Navajo Tribal Park, Southern Utah near Arizona bor...
Sheep posing in front of red buttes and colorful spires of Monument Valley Navajo Tribal Park, Southern Utah near Arizona border





Rafts float down the muddy Colorado River near mile 114 - GRAND CANYON NATIONAL PARK, ARIZONA





A senior man fly fishes in the backcountry on an overcast day, and catches Greenback Cutthroats at a lake in Colorado.





USA, United States, America, Utah, Canyon, North America, four corners, Colorado, Plateau, Bryce Canyon, National Park, sands...
USA, United States, America, Utah, Canyon, North America, four corners, Colorado, Plateau, Bryce Canyon, National Park, sandstone, formations, red rock, landscape, wilderness





USA, Arizona, Grand Canyon national park, South Rim, Felslandschaft, North America, unified states Colorado plateau Colorado ...
USA, Arizona, Grand Canyon national park, South Rim, Felslandschaft, North America, unified states Colorado plateau Colorado River national park UNESCO-Weltnaturerbe, reservation, sight, canyon, gorge, South edge, rock plateau, rocks, rock, rock layers,





Steller“s jay Cyanocitta stelleri, Rocky Mountain National Park, Colorado, United States of America, North America





Evening light defines Mt Hayden and canyon walls, view south from Point Imperial, North Rim, Grand Canyon National Park, Ariz...
Evening light defines Mt Hayden and canyon walls, view south from Point Imperial, North Rim, Grand Canyon National Park, Arizona, USA





American Pika Ochotona princeps, adult on rock, Rocky Mountain National Park, Colorado, USA





House Wren Troglodytes aedon, adult at nesting cavity in aspen tree, Rocky Mountain National Park, Colorado, USA





An outbreak of mountain pine beetles has killed millions of acres of pine trees in the American west, including these along t...
An outbreak of mountain pine beetles has killed millions of acres of pine trees in the American west, including these along the headwaters of the Colorado River, Rocky Mountain National Park, Colorado, USA





Low angle view of a snow covered Christmas tree, Dream Lake, Estes Park, Rocky Mountain National Park, Colorado, USA





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





Cliff Palace, Mesa Verde, national park, Colorado, USA, America, North America, Indians, Native Americans, village, ab





Goosenecks, State Park, San Juan River, Colorado Plateau, Utah, USA, United States, America, man, looking, canyon, cowboy





Western kingbird Tyrannus verticalis, Pawnee National Grassland, Colorado, United States of America, North America





St. Thomas, Nevada - The pioneer town of St. Thomas was submerged under more than 50 feet of water in 1938 after Lake Mead fi...
St. Thomas, Nevada - The pioneer town of St. Thomas was submerged under more than 50 feet of water in 1938 after Lake Mead filled behind the newly-built Hoover Dam. More recently, drought in the American west has dramatically lowered the level of Lake Mead, exposing the foundations of many of the town's buildings.





An aerial view of Grand Canyon in Arizona, USA. The Colorado River has cut out a deep canyon through millions of years.





Male athletes competing in a bike criterion race in North Boulder Park in Boulder, Colorado





The Grand Canyon Kaibab Trail descent of Grand Canyon National Park Arizona takes about 6 hours to the Colorado river





Layers of ancient sandstone overhang a datura plant at one of the shelf camps at mile 119 - GRAND CANYON NATIONAL PARK, ARIZO...
Layers of ancient sandstone overhang a datura plant at one of the shelf camps at mile 119 - GRAND CANYON NATIONAL PARK, ARIZONA





animal, animals, Arches, national park, Colorado Chipmunk, Colorado squirrel, Colorado stripe squirrel, desert, mamm





Swift fox Vulpes velox vixen and three kits at their den, Pawnee National Grassland, Colorado, United States of America, Nort...
Swift fox Vulpes velox vixen and three kits at their den, Pawnee National Grassland, Colorado, United States of America, North America





Beth Rodden places a cam in a crack in Rocky Mountain National Park Beth Rodden is one of the worlds leading rock climbers





MALE WESTERN BLUEBIRD WITH FOOD FOR NEST Sialia mexicana. Photo taken in Rocky Mountain National Park, Colorado, in the month...
MALE WESTERN BLUEBIRD WITH FOOD FOR NEST Sialia mexicana. Photo taken in Rocky Mountain National Park, Colorado, in the month of June. Other Western and Mountain Bluebird photos are available.





USA, Colorado, San Luis Valley, Footsteps on crest of sand dune after snow storm at Great Sand Dunes National Park





Western Scrub Jay [Aphelocoma californica] napping & fluffed up to insulate against the cold; Garden of the Gods, Colorado Sp...
Western Scrub Jay [Aphelocoma californica] napping & fluffed up to insulate against the cold; Garden of the Gods, Colorado Springs, Colorado





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





The Great Goosenecks of the San Juan River, entrenched meanders carving narrow ridges of fossiliferous limestone and shale of...
The Great Goosenecks of the San Juan River, entrenched meanders carving narrow ridges of fossiliferous limestone and shale of the sloping Pennsylvanian Honaker Trail Formation and the cliff-forming Pennsylvanian Paradox Formation, Goosenecks State Park, Utah.





Cortez, Colorado - A park ranger climbs a ladder to enter the Balcony House cliff dwelling at Mesa Verde National Park The pa...
Cortez, Colorado - A park ranger climbs a ladder to enter the Balcony House cliff dwelling at Mesa Verde National Park The park features cliff dwellings of ancestral Puebloans that are nearly a thousand years old





Mesa Top Loop Road Ruins, Pueblo ruins in Mesa Verde containing some of the most elaborte Pueblo dwellings found today, Mesa ...
Mesa Top Loop Road Ruins, 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





Oarswoman guiding Grand Canyon Dory through big churning rapids at Lava Falls on Colorado River





Denver, CO, Colorado, Skyline of downtown Denver from Civic Center Park adorned with flowers.





The beautiful turquoise waters of the LITTLE COLORADO RIVER at mile 62 along the Colorado River - GRAND CANYON, ARIZONA





An outbreak of mountain pine beetles has killed millions of acres of pine trees in the American west, Rocky Mountain National...
An outbreak of mountain pine beetles has killed millions of acres of pine trees in the American west, Rocky Mountain National Park, Colorado, USA





Hikers drop down the KAIBAB TRAIL from the South Rim to the Colorado River - GRAND CANYON NATIONAL PARK, ARIZONA





Sunset reddens vertical cliffs of Wotans Throne, from Cape Royal, North Rim, Grand Canyon National Park, Arizona, USA





USA Colorado Mesa Verde National Park Square Tower House cliff dwellings of the Anasazi AD 1200





Warm light of dusk illuminating the Great Sand Dunes and Mount Herard of the Sangre de Cristo Mountains, Great Sand Dunes Nat...
Warm light of dusk illuminating the Great Sand Dunes and Mount Herard of the Sangre de Cristo Mountains, Great Sand Dunes National Park and Preserve, Colorado.





Saddle Arch and beehives on the west side of Upper Muley Twist Canyon, Capitol Reef National Park, Utah.





Solar composting toilet below east face of Longs Peak (14,259 feet, 4,346 meters), Rocky Mountain National Park, Colorado, US...
Solar composting toilet below east face of Longs Peak (14,259 feet, 4,346 meters), Rocky Mountain National Park, Colorado, USA





Peninsular Bighorn Sheep (Ovis canadensis cremnobates) Standing on Edge of Rock Cropping, Anza Borrego Desert State Park, Cal...
Peninsular Bighorn Sheep (Ovis canadensis cremnobates) Standing on Edge of Rock Cropping, Anza Borrego Desert State Park, California





Redrock buttes The Mittens and Merrick Butte, Monument Valley Navajo Tribal Park, Utah, USA





Starting hot air balloons below Merrick Butte and Sentinel Mesa, Monument Valley Navajo Tribal Park, Utah, USA





ESTADOS UNIDOS. PARQUE NACIONAL DEL GRAN CAĆON DEL COLORADO (GRAND CANYON NATIONAL PARK). Zona del North Rim, uno de los acce...
ESTADOS UNIDOS. PARQUE NACIONAL DEL GRAN CAĆON DEL COLORADO (GRAND CANYON NATIONAL PARK). Zona del North Rim, uno de los accesos turĆsticos. Estado de Arizona. (Patrimonio de la Humanidad) .





Hiking in the North Fork of the Virgin River in the Zion Narrows in Zion National Park, Utah.





USA Colorado Mesa Verde National Park Square Tower House cliff dwellings of the Anasazi AD 1200





Trees grow in SADDLE CANYON, a beautiful side hike at mile 47 along the Colorado River - GRAND CANYON, ARIZONA





DEER CREEK FALLS at mile 136 is truly one of natures wonders - GRAND CANYON NATIONAL PARK, ARIZONA





Portrait of six Coyote pups (Canis latrans) during springtime in Rocky Mountain National Park.





Yellow_bellied marmot yellowbelly marmot Marmota flaviventris, Mount Evans, Arapaho_Roosevelt National Forest, Colorado, Unit...
Yellow_bellied marmot yellowbelly marmot Marmota flaviventris, Mount Evans, Arapaho_Roosevelt National Forest, Colorado, United States of America, North America





Dead tree trunk, detail, bleached by the sun and wind, Great Sand Dunes National Park, Mosca, Colorado, USA





Pictographs, painted wall decorations inside tower of Cliff Palace ruin Occupied A D 1075-1300 Anasazi culture, Mesa Verde Na...
Pictographs, painted wall decorations inside tower of Cliff Palace ruin Occupied A D 1075-1300 Anasazi culture, Mesa Verde National Park, Colorado





Cliff Palace, cliff dwellings, Anasazi Native American ruins, Mesa Verde National Park, Colorado, America, United States





Eroded landscape in Bryce Canyon below Bryce Point, USA, Utah, Bryce Canyon National Park





USA, United States, America, Utah, Springdale, North America, four corners, Colorado, Plateau, Zion, National Park, Emerald P...
USA, United States, America, Utah, Springdale, North America, four corners, Colorado, Plateau, Zion, National Park, Emerald Pools, cliff, color, waterfall, sandstone, nature, wall, foliage, vertical, nobody





USA Colorado Great Sand Dunes National Park sand dunes with Sangre de Cristo Mountains in the background

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