A mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, at the Wyoming-Colorado border. Original… https://www.rawpixel.com/image/434464/wild-mustang-horsesFree Image from public domain licenseMountain-sunset view from Telluride, once a mining boomtown and now a popular skiing destination in Colorado. Original image… https://www.rawpixel.com/image/434426/mountain-sunset-viewFree Image from public domain licenseAutumnal view of Rocky Mountain peaks called the Maroon Bells, between Pitkin County and Gunnison County, Colorado. Original… https://www.rawpixel.com/image/422056/rocky-mountain-peaksFree Image from public domain licenseA portion of Great Sand Dunes National Monument and Preserve. Original image from Carol M. Highsmith’s America… https://www.rawpixel.com/image/434577/pink-sand-dunesFree Image from public domain licenseThe Maroon Bells, just outside Aspen in Colorado's Rocky Mountains USA - Fall aspens in San Juan County, Colorado USA -… https://www.rawpixel.com/image/434471/the-maroon-bellsFree Image from public domain licenseThe Maroon Bells, just outside Aspen in Colorado's Rocky Mountains USA - Fall aspens in San Juan County, Colorado USA -… https://www.rawpixel.com/image/434477/the-maroon-bellsFree Image from public domain licenseLions in the grass at the Wild Animal Sanctuary near Keenesburg, Colorado. Original image from Carol M. Highsmith’s… https://www.rawpixel.com/image/422117/free-photo-image-lion-animals-black-and-whiteFree Image from public domain licenseLions in the grass at the Wild Animal Sanctuary near Keenesburg, Colorado. Original image from Carol M. Highsmith’s… https://www.rawpixel.com/image/422129/wild-lionsFree Image from public domain licenseA mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, at the Wyoming-Colorado border. Original… https://www.rawpixel.com/image/434466/wild-mustang-horsesFree Image from public domain licenseA mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, at the Wyoming-Colorado border. Original… https://www.rawpixel.com/image/434465/wild-mustang-horsesFree Image from public domain licenseSteam locomotives in the roundhouse of the Durango & Silverton Narrow Gauge Scenic Railroad in Durango, Colorado. Original… https://www.rawpixel.com/image/582513/carol-highsmiths-colorado-photographFree Image from public domain licenseThe Maroon Bells, just outside Aspen in Colorado's Rocky Mountains USA - Fall aspens in San Juan County, Colorado USA -… https://www.rawpixel.com/image/434381/the-maroon-bellsFree Image from public domain licenseA mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, at the Wyoming-Colorado border. Original… https://www.rawpixel.com/image/434456/wild-mustang-horsesFree Image from public domain licenseA bighorn sheep in Colorado National Monument, a preserve of vast plateaus, canyons, and towering monoliths in Mesa County… https://www.rawpixel.com/image/433758/bighorn-sheep-the-roadFree Image from public domain licenseFall aspens in San Juan County, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/434394/forest-autumnFree Image from public domain licenseMonument Valley, Arizona. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally… https://www.rawpixel.com/image/421807/monument-valley-arizonaFree Image from public domain licenseMonument Valley, perhaps the most enduring and definitive images of the American West. Original image from Carol M.… https://www.rawpixel.com/image/421694/free-photo-image-desert-arizona-carol-highsmithFree Image from public domain licenseSamuel "Tamehorse" Gallegos, photographed in Pueblo, Colorado, at a gathering of North American Native People. Original… https://www.rawpixel.com/image/487711/north-american-nativeFree Image from public domain license"Flat Tops" -- a range of the Rocky Mountains Colorado - Original image from Carol M. Highsmith’s America, Library of… https://www.rawpixel.com/image/434639/the-rocky-mountains-coloradoFree Image from public domain licenseTiger at the Wild Animal Sanctuary, near Keenesburg, Colorado. Original image from Carol M. Highsmith’s America… https://www.rawpixel.com/image/434652/free-photo-image-tiger-animal-carol-highsmithFree Image from public domain licenseMonument Valley, a Navajo Nation tribal park whose red-sandstone formations on the Colorado Plateau lie mostly in Arizona… https://www.rawpixel.com/image/421959/monument-valleyFree Image from public domain licenseMountain-sunset view from Telluride, once a mining boomtown and now a popular skiing destination in Colorado - Original… https://www.rawpixel.com/image/434422/free-photo-image-mountains-mountain-range-landscapeFree Image from public domain licenseA mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, at the Wyoming-Colorado border. Original… https://www.rawpixel.com/image/434341/free-photo-image-horse-winter-carol-highsmithFree Image from public domain licenseFall aspens in San Juan County, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/434387/forest-autumnFree Image from public domain licenseLions in the grass at the Wild Animal Sanctuary near Keenesburg, Colorado. Original image from Carol M. Highsmith’s… https://www.rawpixel.com/image/422123/free-photo-image-lion-carol-highsmith-animalsFree Image from public domain licenseA mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, at the Wyoming-Colorado border. Original… https://www.rawpixel.com/image/434455/free-photo-image-horse-carol-highsmith-winterFree Image from public domain licenseCopper Mountain Ski Resort, near the town of Frisco in Summit County, Colorado - Original image from Carol M.… https://www.rawpixel.com/image/434489/free-photo-image-winter-snow-treesFree Image from public domain licenseScenery at Colorado National Monument - Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/434309/colorado-national-monumentFree Image from public domain licenseMonument Valley, Arizona. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally… https://www.rawpixel.com/image/421888/free-photo-image-desert-carol-highsmith-landscapeFree Image from public domain licenseSunset near Fort Morgan in northeastern Colorado, USA - Original image from Carol M. Highsmith’s America, Library of… https://www.rawpixel.com/image/434337/free-photo-image-field-sunset-landscapeFree Image from public domain licenseView from right on top of the tallest dune in North America at Great Sand Dunes National Park and Preserve, in the San Luis… https://www.rawpixel.com/image/434649/free-photo-image-sand-beach-patternFree Image from public domain licenseRocky Mountains National Park Colorado, USA - Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/434329/free-photo-image-national-parks-trees-pine-forestFree Image from public domain licenseDenver International Airport's peaked roof, outside Denver, Colorado, designed by Fentress Bradburn Architects.Original… https://www.rawpixel.com/image/422118/denver-international-airportFree Image from public domain licenseFall aspens in San Juan County, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/434414/free-photo-image-mountains-landscape-carol-highsmithFree Image from public domain licenseA Durango & Silverton Narrow-Gauge Scenic Railroad train, pulled by a vintage steam locomotive, chugs through the San Juan… https://www.rawpixel.com/image/582521/carol-highsmiths-colorado-photographFree Image from public domain licenseA mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, at the Wyoming-Colorado border. Original… https://www.rawpixel.com/image/434488/free-photo-image-horse-carol-highsmith-snowFree Image from public domain licenseA mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, at the Wyoming-Colorado border. Original… https://www.rawpixel.com/image/434444/free-photo-image-horse-snake-snowFree Image from public domain licenseCowhand Chad Ferguson works the herd at the Ladder Livestock Ranch's cattle operation in Moffat County, Colorado… https://www.rawpixel.com/image/582479/carol-highsmiths-colorado-photographFree Image from public domain licenseFall aspens in San Juan County, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/434402/free-photo-image-road-carol-highsmith-colorado-mountainsFree Image from public domain licenseView of Meridian Lake and Mount Crested Butte above the Colorado city of Crested Butte on the high, dirt Washington Gulch… https://www.rawpixel.com/image/434339/free-photo-image-lake-road-carol-highsmithFree Image from public domain licenseAmerican bison, or buffaloes, in Yellowstone National Park in the northwest corner of Wyoming. Original image from Carol M.… https://www.rawpixel.com/image/433750/bisonFree Image from public domain licenseMonument Valley, Arizona. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally… https://www.rawpixel.com/image/421801/free-photo-image-desert-black-and-white-photographyFree Image from public domain licenseSedgwick County, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress collection.… https://www.rawpixel.com/image/434323/free-photo-image-sunset-colorado-farmFree Image from public domain licensePuka the chocolate lab, in Aspen, Colorado. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/433756/free-photo-image-dog-black-and-whiteFree Image from public domain licenseLone wolf at the Wild Animal Sanctuary near Keenesburg, Colorado. Original image from Carol M. Highsmith’s America… https://www.rawpixel.com/image/422121/free-photo-image-wolf-animal-wolvesFree Image from public domain licenseTiger at the Wild Animal Sanctuary, near Keenesburg, Colorado. Original image from Carol M. Highsmith’s America… https://www.rawpixel.com/image/434650/free-photo-image-tiger-animal-carol-highsmithFree Image from public domain licenseView of the Rocky Mountains, USA - Original image from Carol M. Highsmith’s America, Library of Congress collection.… https://www.rawpixel.com/image/433941/view-the-rocky-mountainsFree Image from public domain licenseAlpine lake above the Crystal River Valley town of Marble, Colorado - Original image from Carol M. Highsmith’s… https://www.rawpixel.com/image/434644/free-photo-image-landscape-lake-riverFree Image from public domain license"Warmth of Winter" exhibition at the annual Winter Carnival in Steamboat Springs, Colorado - Original image from Carol M.… https://www.rawpixel.com/image/434474/free-photo-image-fireworks-landscape-coloradoFree Image from public domain licenseAt Horseshoe Bend on the Colorado River in Arizona. Original image from Carol M. Highsmith’s America, Library of… https://www.rawpixel.com/image/421810/horseshoe-bendFree Image from public domain licenseA young bald eagle surveys the world below in the vast Wyoming portion of Yellowstone National Park. Original image from… https://www.rawpixel.com/image/434328/free-photo-image-eagle-carol-highsmith-baldFree Image from public domain licenseA farmer kicks up dust as he readies the ground for planting near Bristol in Prowers County, Colorado. Original image from… https://www.rawpixel.com/image/434516/free-photo-image-agriculture-tractor-farmingFree Image from public domain licenseCanyons of the Ancients National Monument in far-southwestern Colorado's Montezuma County, USA - Original image from Carol… https://www.rawpixel.com/image/434307/free-photo-image-dirt-road-coloradoFree Image from public domain licenseScenic Railroad train, pulled by a vintage steam locomotive, chugs through the San Juan Mountains in the Colorado county of… https://www.rawpixel.com/image/434411/free-photo-image-train-railway-natureFree Image from public domain licenseSpectacular Rocky Mountain valley outside Telluride, Colorado - Original image from Carol M. Highsmith’s America… https://www.rawpixel.com/image/434388/free-photo-image-lake-landscape-carol-highsmithFree Image from public domain licenseScenery at Colorado National Monument USA - Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/434312/free-photo-image-public-domain-americaFree Image from public domain licenseCowboys and their dog ford the North Platte River on the Park Range Ranch, near the Wyoming border in Jackson County's… https://www.rawpixel.com/image/582502/carol-highsmiths-colorado-photographFree Image from public domain licenseFall aspens in San Juan County, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/434413/free-photo-image-carol-highsmith-colorado-hillsFree Image from public domain licenseA mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, a vast cattle and sheep-ranching… https://www.rawpixel.com/image/582480/carol-highsmiths-colorado-photographFree Image from public domain licenseBrown bear, maybe smiling, at the Wild Animal Sanctuary, a 720-acre animal refuge housing more than 350 large animals near… https://www.rawpixel.com/image/582464/carol-highsmiths-colorado-photographFree Image from public domain licenseThe Maroon Bells, just outside Aspen in Colorado's Rocky Mountains USA - Fall aspens in San Juan County, Colorado USA -… https://www.rawpixel.com/image/434463/free-photo-image-carol-highsmith-mountain-aspenFree Image from public domain licenseA mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, at the Wyoming-Colorado border. Original… https://www.rawpixel.com/image/434468/free-photo-image-horse-snow-herdFree Image from public domain licenseThe Maroon Bells, just outside Aspen in Colorado's Rocky Mountains USA - Fall aspens in San Juan County, Colorado USA -… https://www.rawpixel.com/image/434390/free-photo-image-carol-highsmith-forest-maroon-bells-coloradoFree Image from public domain licenseThe virtual ghost town of Crystal in Gunnison County, Colorado USA - Original image from Carol M. Highsmith’s America… https://www.rawpixel.com/image/434356/free-photo-image-lake-landscape-carol-highsmithFree Image from public domain licenseSedgwick County, near Julesburg, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/434317/free-photo-image-road-landscape-dirtFree Image from public domain licenseView from right on top of the tallest dune in North America at Great Sand Dunes National Park and Preserve, in the San Luis… https://www.rawpixel.com/image/434641/free-photo-image-sand-landscape-carol-highsmithFree Image from public domain licenseSheep at the Ladder Livestock Ranch, which is based across the highway from Colorado in Carbon County, Wyoming. Original… https://www.rawpixel.com/image/434496/free-photo-image-sheep-farm-animalFree Image from public domain licenseA burro stands in what is otherwise a field of cattle near Jefferson, Colorado. Original image from Carol M.… https://www.rawpixel.com/image/434419/free-photo-image-donkey-animal-wildlifeFree Image from public domain licenseThe Santa Monica Pier is a large double-jointed pier located at the foot of Colorado Avenue in Santa Monica, California.… https://www.rawpixel.com/image/434088/free-photo-image-los-angeles-street-santa-monicaFree Image from public domain licenseFootprints at Great Sand Dunes National Monument and Preserve, one of America's newest national parks to be established (in… https://www.rawpixel.com/image/582548/carol-highsmiths-colorado-photographFree Image from public domain licenseView from a bend in the Colorado River of Glen Canyon Dam, outside Page, Arizona. Original image from Carol M.… https://www.rawpixel.com/image/582318/carol-highsmiths-arizona-photographFree Image from public domain licenseAn American grizzly bear at the Cheyenne Mountain Zoo in Colorado Springs, Colorado. Original image from Carol M.… https://www.rawpixel.com/image/434350/free-photo-image-bear-cheyenne-mountain-zoo-coloradoFree Image from public domain licenseA bighorn sheep in Colorado National Monument, a preserve of vast plateaus, canyons, and towering monoliths in Mesa County… https://www.rawpixel.com/image/434313/free-photo-image-ram-horns-bighorn-sheepFree Image from public domain license"Alpine Loop" San Juan Mountains above Silverton, Colorado USA - Original image from Carol M. Highsmith’s America… https://www.rawpixel.com/image/434305/free-photo-image-forest-colorado-pineFree Image from public domain licenseBrown bear, baring his teeth, at the Wild Animal Sanctuary near Keenesburg, Colorado. Original image from Carol M.… https://www.rawpixel.com/image/422128/free-photo-image-bear-animal-grizzlyFree Image from public domain licenseBig brown bear at the Wild Animal Sanctuary near Keenesburg, Colorado. Original image from Carol M. Highsmith’s… https://www.rawpixel.com/image/422127/free-photo-image-bear-animal-carol-highsmithFree Image from public domain licenseLonghorn cattle attract a crowd at the National Western Stock Show's kickoff parade in downtown Denver, Colorado. Original… https://www.rawpixel.com/image/582538/carol-highsmiths-colorado-photographFree Image from public domain licenseFog accents the winter chill above and surrounding Steamboat Springs, Colorado. Original image from Carol M.… https://www.rawpixel.com/image/582488/carol-highsmiths-colorado-photographFree Image from public domain licenseView of the Rocky Mountains Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/434642/free-photo-image-landscape-forest-coloradoFree Image from public domain licenseThe Maroon Bells, just outside Aspen in Colorado's Rocky Mountains USA - Fall aspens in San Juan County, Colorado USA -… https://www.rawpixel.com/image/434421/free-photo-image-black-and-white-mountains-forestFree Image from public domain licenseScenic Railroad train, pulled by a vintage steam locomotive, chugs through the San Juan Mountains in the Colorado county of… https://www.rawpixel.com/image/434417/free-photo-image-train-colorado-trains-public-domainFree Image from public domain licenseA Durango & Silverton Narrow-Guage Scenic Railroad train, pulled by a vintage steam locomotive, crosses an alpine bridge in… https://www.rawpixel.com/image/434406/free-photo-image-trains-locomotive-natureFree Image from public domain licenseColorado River, near Parshall, Colorado - Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/434409/free-photo-image-river-america-landscape-sceneryFree Image from public domain licenseThe Garden of the Gods, a public park in Colorado Springs, Colorado USA - Original image from Carol M. Highsmith’s… https://www.rawpixel.com/image/434352/free-photo-image-carol-highsmith-landscape-natureFree Image from public domain licenseScenery at Colorado National Monument, USA - Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/434314/free-photo-image-carol-highsmith-tourism-americaFree Image from public domain licenseA storm brews over the sagebrush near Great Sand Dunes National Park and Preserve in Alamosa County, Colorado. Original… https://www.rawpixel.com/image/434507/free-photo-image-storm-weather-badFree Image from public domain licenseChairlifts ascend the mountain at the Snowmass Village ski resort in Pitkin County, Colorado - Original image from Carol M.… https://www.rawpixel.com/image/434470/free-photo-image-ski-colorado-winter-liftFree Image from public domain licenseFall Aspens in San Juan County, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/434460/free-photo-image-landscape-yellow-aspen-treeFree Image from public domain licenseHeavy snow surrounds and lies a top a cabin in Steamboat Springs, Colorado. Original image from Carol M. Highsmith’s… https://www.rawpixel.com/image/434458/free-photo-image-snow-winter-carol-highsmithFree Image from public domain licenseAlpine lake above the Crystal River Valley town of Marble, Colorado - Original image from Carol M. Highsmith’s… https://www.rawpixel.com/image/434401/free-photo-image-colorado-carol-highsmithFree Image from public domain licenseA young bald eagle surveys the world below in the vast Wyoming portion of Yellowstone National Park. Original image from… https://www.rawpixel.com/image/434338/free-photo-image-eagle-bald-animalFree Image from public domain licenseDusk in rural Sedgwick County, Colorado, near Julesburg, on the Nebraska border - Original image from Carol M.… https://www.rawpixel.com/image/434340/free-photo-image-path-dirt-landscapeFree Image from public domain licenseAspens Over Vail, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress collection.… https://www.rawpixel.com/image/433856/aspens-over-vailFree Image from public domain licenseCowhands and horses cross the North Platte River at Park Range Ranch in North Park, Colorado. Original image from Carol M.… https://www.rawpixel.com/image/3091008/free-photo-image-horse-riding-usa-countryside-americaFree Image from public domain licenseRafters on Clear Creek, outside Idaho Falls, Colorado - Original image from Carol M. Highsmith’s America, Library of… https://www.rawpixel.com/image/434643/free-photo-image-rafting-forest-kayakFree Image from public domain licenseSheep at the Ladder Livestock Ranch, which is based across the highway from Colorado in Carbon County, Wyoming. Original… https://www.rawpixel.com/image/434509/free-photo-image-sheep-farm-animalFree Image from public domain licenseMountain-sunset view from Telluride, once a mining boomtown and now a popular skiing destination in Colorado - Original… https://www.rawpixel.com/image/434454/free-photo-image-colorado-carol-highsmith-americaFree Image from public domain licenseA Durango & Silverton Narrow-Guage Scenic Railroad train, pulled by a vintage steam locomotive, navigates a San Juan… https://www.rawpixel.com/image/434403/free-photo-image-railway-carol-highsmith-americaFree Image from public domain licenseAn American grizzly bear at the Cheyenne Mountain Zoo in Colorado Springs, Colorado. Original image from Carol M.… https://www.rawpixel.com/image/434355/free-photo-image-bear-zoo-animalFree Image from public domain licenseThe Garden of the Gods, a public park in Colorado Springs, Colorado USA - Original image from Carol M. Highsmith’s… https://www.rawpixel.com/image/434331/free-photo-image-colorado-carol-highsmithFree Image from public domain license