A portion of the "Grand Ditch," a stretch of the Colorado River, just ten miles from its headwaters in Rocky Mountain… https://www.rawpixel.com/image/582542/carol-highsmiths-colorado-photographFree Image from public domain licenseA raging stream in Rocky Mountain National Park in the Front Range of the spectacular and high Rockies in north-central… https://www.rawpixel.com/image/582556/carol-highsmiths-colorado-photographFree 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/434334/free-photo-image-colorado-mountains-americaFree 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/434330/free-photo-image-rocky-mountain-national-park-trees-americaFree 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/434335/free-photo-image-rocky-mountain-national-park-landscape-coloradoFree 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/434327/free-photo-image-green-landscape-natural-lake-mountainsFree 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 licenseThe Rocky Mountains, Colorado. Original image from Carol M. Highsmith’s America, Library of Congress collection.… https://www.rawpixel.com/image/421822/free-photo-image-nature-mountains-tundraFree Image from public domain licenseOwner John Kukral wets a line at his Park Range Ranch, near the Wyoming border in Jackson County's scenic North Park valley… https://www.rawpixel.com/image/582506/carol-highsmiths-colorado-photographFree 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/434475/free-photo-image-eagle-mountain-animal-birdFree 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/434482/free-photo-image-eagle-colorado-yellowstone-national-parkFree Image from public domain licenseGrand Teton National Park view. Original image from Carol M. Highsmith’s America, Library of Congress collection.… https://www.rawpixel.com/image/433974/free-photo-image-national-parks-mountains-carol-highsmithFree Image from public domain licenseScenery at Colorado National Monument, which is by no means a monument in the typical sense of the word. https://www.rawpixel.com/image/582467/carol-highsmiths-colorado-photographFree 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/434310/free-photo-image-canyons-america-americas-public-domainFree 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/434315/free-photo-image-carol-america-americas-public-domainFree 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 licenseScenery at Colorado National Monument, USA - Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/434319/free-photo-image-carol-highsmith-national-parks-landscapeFree 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/434322/free-photo-image-carol-highsmith-america-americas-public-domainFree 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/434318/free-photo-image-colorado-carol-highsmith-americaFree 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/434311/free-photo-image-america-public-domain-americasFree 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 licenseCowhand John Guthrie III and his horse, Gunner, near one of several streams on the Park Range Ranch in Colorado's North… https://www.rawpixel.com/image/582731/carol-highsmiths-wyoming-photographFree 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 licenseThe Lower Falls of the Yellowstone River in northwestern Wyoming's Yellowstone National Park. Twice as high as Niagara Falls… https://www.rawpixel.com/image/434431/free-photo-image-public-domain-waterfalls-national-parks-yellowstone-parkFree Image from public domain licenseThe Lower Falls of the Yellowstone River in northwestern Wyoming's Yellowstone National Park. Twice as high as Niagara Falls… https://www.rawpixel.com/image/434432/free-photo-image-trees-waterfalls-wyomingFree 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 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 licenseElks make themselves at home in the brush at the Woodlands at Fall River Suites mountain resort in Estes Park, a town on the… https://www.rawpixel.com/image/582551/carol-highsmiths-colorado-photographFree Image from public domain licenseSingle barren tree against a cliff in Rocky Mountain National Park. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3291323/free-photo-image-minimalist-landscape-photos-abies-banisterFree Image from public domain licenseMountain Pine Beetle Damage — Mountain pine beetle have been a natural part of the whitebark pine forest for many… https://www.rawpixel.com/image/4043968/photo-image-flower-trees-plantFree Image from public domain licenseNational parks of lower landscape panoramic mountain. https://www.rawpixel.com/image/14469642/national-parks-lower-landscape-panoramic-mountainView licenseA spectacular Rocky Mountain valley outside Telluride, Colorado. Original image from Carol M. Highsmith’s America… https://www.rawpixel.com/image/582512/carol-highsmiths-colorado-photographFree Image from public domain licenseColorado Aspens. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally enhanced… https://www.rawpixel.com/image/421908/free-photo-image-america-public-domain-carol-highsmith-mountainsFree 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/434346/free-photo-image-colorado-lake-forest-landscape-americaFree Image from public domain licenseScene in the San Juan Mountains above Silverton, Colorado, along with the mostly dirt-and-gravel "Alpine Loop" that, for… https://www.rawpixel.com/image/582485/carol-highsmiths-colorado-photographFree Image from public domain licenseHiking by the Emerald Lake in The Rocky Mountain National Park, United States https://www.rawpixel.com/image/426955/free-photo-image-winter-hike-climb-mountain-coloradoView 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 licenseRocky Mountain National Park, United States. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3285595/free-photo-image-galaxy-milky-way-rocky-mountainsFree Image from public domain licenseNorth Clear Creek Falls, in Hinsdale County along the Colorado mountain road called the Silver Thread Byway, drops from an… https://www.rawpixel.com/image/582482/carol-highsmiths-colorado-photographFree 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 licenseThe Milky Way spans the extent of the night sky over Rocky Mountain National Park at Forest Canyon Overlook along Trail… https://www.rawpixel.com/image/4224996/photo-image-background-public-domain-starsFree Image from public domain licenseGeneral view of Rocky Mountains west of Continental Divide seen from top of Logan Pass, en route to the Sun highway. Glacier… https://www.rawpixel.com/image/12333682/image-cloud-plant-skyFree 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 licenseScene in the San Juan Mountains above Silverton, Colorado, along the mostly dirt-and-gravel "Alpine Loop" - Original image… https://www.rawpixel.com/image/434308/free-photo-image-trees-carol-mountainsFree Image from public domain licenseThe Thunderer, a 10,495-foot peak in the northeast section of Yellowstone National Park in the Absaroka Range of the… https://www.rawpixel.com/image/582719/carol-highsmiths-wyoming-photographFree 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 licenseView of the Rocky Mountains Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/434640/free-photo-image-mountains-colorado-aerial-viewsFree 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/434345/free-photo-image-landscape-america-americas-public-domainFree 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/434389/free-photo-image-carol-highsmith-america-americas-public-domainFree 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 licenseCliff Palace ruins at Mesa Verde National Park in southwestern Colorado's Montezuma County. https://www.rawpixel.com/image/582475/carol-highsmiths-colorado-photographFree 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 licenseStream in Eldorado Canyon State Park in Boulder County, Colorado - Original image from Carol M. Highsmith’s America… https://www.rawpixel.com/image/434645/free-photo-image-boulder-colorado-forestFree Image from public domain licenseFree state border welcome sign, Arizona image, public domain travel CC0 photo. https://www.rawpixel.com/image/5909047/image-public-domain-plant-mountainFree Image from public domain licenseA portion of the Cliff Palace ruins at Mesa Verde National Park in southwestern Colorado's Montezuma County. https://www.rawpixel.com/image/582469/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 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 bighorn sheep in Colorado National Monument, a preserve of vast plateaus, canyons, and towering monoliths in Mesa County… https://www.rawpixel.com/image/434320/free-photo-image-ram-sheep-mountain-animalFree 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/434316/free-photo-image-sheep-ram-carol-highsmithFree 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/434398/free-photo-image-america-public-domain-americasFree 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 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 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 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/434353/free-photo-image-carol-highsmith-maroon-bells-natureFree 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 licenseInterior of the Slogar Bar and Restaurant in Crested Butte, a Gunnison County, Colorado, town -- heavily populated in winter… https://www.rawpixel.com/image/582519/carol-highsmiths-colorado-photographFree 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 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 license Fog lurks around a sharp bend of the road within the Tennessee portion of Great Smoky Mountains… https://www.rawpixel.com/image/8043472/photo-image-plant-tree-forestFree Image from public domain license Fall scene along a winding two-lane road the Tennessee portion of Great Smoky Mountains National… https://www.rawpixel.com/image/8042968/photo-image-plant-tree-forestFree Image from public domain licenseAerial view of the Flat Tops Wilderness Area, a vast forested area between Glenwood Springs and Steamboat Springs in… https://www.rawpixel.com/image/582541/carol-highsmiths-colorado-photographFree Image from public domain licenseSunrise at Mesa Arch in Canyonlands National Park, North America https://www.rawpixel.com/image/426930/free-photo-image-desert-sunset-sunriseView 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 licenseSled dogs get a breather in the Rocky Mountain backcountry near the ski resort of Snowmass Village, Colorado. Original image… https://www.rawpixel.com/image/434469/free-photo-image-dogs-america-public-domainFree Image from public domain licenseSled dogs get a breather in the Rocky Mountain backcountry near the ski resort of Snowmass Village, Colorado. Original image… https://www.rawpixel.com/image/434467/free-photo-image-dogs-carol-highsmith-americaFree Image from public domain licenseSled dogs in the Rocky Mountain backcountry near the ski resort of Snowmass Village, Colorado. Original image from Carol M.… https://www.rawpixel.com/image/434473/free-photo-image-mountains-colorado-animals-dog-sleddingFree Image from public domain licenseRocky Mountain near the ski resort of Snowmass Village, Colorado - Original image from Carol M. Highsmith’s America… https://www.rawpixel.com/image/434476/free-photo-image-dog-sled-winter-forest-skiFree 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 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 licenseBadlands National Park. 244,000 acres of sharply eroded buttes, pinnacles, and spires. Bison, bighorn sheep, endangered… https://www.rawpixel.com/image/2348582/photo-image-cloud-plant-treeView 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 licenseWall ruins in the Canyon of the Ancients National Monument — one of the nation's newest national parks or monuments… https://www.rawpixel.com/image/582547/carol-highsmiths-colorado-photographFree Image from public domain license Autumn splendor in the Tennessee portion of Great Smoky Mountains National Park, the most-visited… https://www.rawpixel.com/image/8042517/photo-image-plant-tree-forestFree Image from public domain license Autumn splendor in the Tennessee portion of Great Smoky Mountains National Park, the most-visited… https://www.rawpixel.com/image/8043631/photo-image-plant-tree-forestFree 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 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 license Low, but rugged peaks jut from the high prairie in the southern Rocky Mountains of New Mexico, near… https://www.rawpixel.com/image/8063851/photo-image-cloud-plant-personFree 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 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 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 licenseBanff National Park. Canada.Five national parks are located within the Canadian Rockies, four of which are adjacent and make… https://www.rawpixel.com/image/4024510/photo-image-light-fire-natureFree Image from public domain licenseRocky Mountain National Park, Estes Park, United States. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3291185/free-photo-image-purple-smoke-abies-alpsFree Image from public domain license