"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 licenseA Durango & Silverton Narrow-Guage Scenic Railroad train, pulled by a vintage steam locomotive, crosses an alpine bridge in… https://www.rawpixel.com/image/434397/free-photo-image-train-carol-highsmith-natureFree Image from public domain licenseMountain view along the "Million Dollar Highway" in Ouray County, between Silverton and Ouray, high in the San Juan… https://www.rawpixel.com/image/582477/carol-highsmiths-colorado-photographFree 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 licenseVivid fall colors accent the aptly named Red Mountain between Ouray and Silverton in San Juan County, Colorado. Original… https://www.rawpixel.com/image/582508/carol-highsmiths-colorado-photographFree Image from public domain licenseAbandoned cabins near the old mining town of Ironton, between Ouray and Silverton, in San Juan County, Colorado. Original… https://www.rawpixel.com/image/582536/carol-highsmiths-colorado-photographFree 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 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/434407/free-photo-image-trains-public-domain-locomotive-steam-trainFree 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-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 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 licenseA Durango & Silverton Narrow-Guage Scenic Railroad train, pulled by a vintage steam locomotive, rounds a high San Juan… https://www.rawpixel.com/image/582545/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/434396/free-photo-image-yellow-mountains-fall-treesFree 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 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 licenseFall aspens in San Juan County, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/434399/free-photo-image-carol-highsmith-aspen-tree-americaFree Image from public domain licenseA 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 licenseContinental Divide sign high in Rocky Mountain National Park in the Front Range of the spectacular and high Rockies in north… https://www.rawpixel.com/image/582557/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/434400/free-photo-image-landscape-carol-highsmith-americaFree 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/434395/free-photo-image-aspen-tree-fall-autumnFree 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/434383/free-photo-image-aspen-tree-america-americas-public-domainFree 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/434391/free-photo-image-colorado-america-americas-public-domainFree 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/434392/free-photo-image-carol-highsmith-woods-landscapeFree 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/434393/free-photo-image-landscape-forest-yellowFree 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 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 licenseLake Molas in the San Juan Mountains of southwestern Colorado's San Juan County, USA - Original image from Carol M.… https://www.rawpixel.com/image/434306/free-photo-image-carol-highsmith-colorado-americaFree Image from public domain licenseLake Molas in the San Juan Mountains of southwestern Colorado's San Juan County, USA - Original image from Carol M.… https://www.rawpixel.com/image/434303/free-photo-image-snow-scenic-natureFree Image from public domain licenseFall in the San Juan Mountains of Conejos County, Colorado, near the New Mexico border - Original image from Carol M.… https://www.rawpixel.com/image/434446/free-photo-image-colorado-autumn-forest-treesFree Image from public domain licenseFall in the San Juan Mountains of Conejos County, Colorado, near the New Mexico border - Original image from Carol M.… https://www.rawpixel.com/image/434459/free-photo-image-colorado-fall-autumnFree Image from public domain licenseColorado's Dolores River Valley in autumn - Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/433939/free-photo-image-scenic-forest-landscape-autumnFree 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 licenseIsolated structures west of Ridgway in Ouray County, Colorado. Original image from Carol M. Highsmith’s America… https://www.rawpixel.com/image/582530/carol-highsmiths-colorado-photographFree Image from public domain license A stretch of the Rio Grande River near Embudo in northern New Mexico, closer to its source in the… https://www.rawpixel.com/image/8041271/photo-image-border-mountains-public-domainFree 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 licenseRailroad worker takes a break in the trainyard of the Durango & Silverton Narrow Gauge Scenic Railroad in Durango, Colordo.… https://www.rawpixel.com/image/582515/carol-highsmiths-colorado-photographFree Image from public domain licenseUinta-Wasatch-Cache National Forest, Alpine Loop, USA. Original public domain image from Flickr https://www.rawpixel.com/image/4035067/photo-image-woods-forest-natureFree 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/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/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 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 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 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 licenseClimber at the Ouray Ice Park, a human-made ice climbing venue in a natural gorge within walking distance of the city of… https://www.rawpixel.com/image/582493/carol-highsmiths-colorado-photographFree Image from public domain licenseA steam train crosses the 156-foot-tall Bass Point Creek Bridge. Original image from Carol M. Highsmith’s America… https://www.rawpixel.com/image/434634/free-photo-image-georgetown-railway-steam-engineFree Image from public domain licenseThe Million Dollar Highway between Silverton and Ouray is cut through massive rock formations. Ouray County, Colorado by… https://www.rawpixel.com/image/12150615/image-plant-art-skyFree Image from public domain license[Untitled photo, possibly related to: The Million Dollar Highway between Silverton and Ouray is cut through massive rock… https://www.rawpixel.com/image/12149125/image-plant-art-skyFree Image from public domain licenseA Georgetown Loop Railroad scenic train crosses a high trestle near the Rocky Mountain town of Georgetown. Original image… https://www.rawpixel.com/image/582554/carol-highsmiths-colorado-photographFree 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 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 licenseClimber at the Ouray Ice Park, a human-made ice climbing venue in a natural gorge within walking distance of the city of… https://www.rawpixel.com/image/582460/carol-highsmiths-colorado-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 licenseMillion Dollar Highway going through mountain valley before entering Silverton. San Juan County, Colorado by Russell Lee https://www.rawpixel.com/image/12144322/image-plant-art-skyFree 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 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 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/434640/free-photo-image-mountains-colorado-aerial-viewsFree 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 licenseThe virtual ghost town of Crystal in Gunnison County, Colorado USA - Original image from Carol M. Highsmith’s America… https://www.rawpixel.com/image/434358/free-photo-image-mountains-landscape-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 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 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 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 licenseSheep being driven down from mountain pasture to the valley near Silverton in San Juan County, Colorado by Russell Lee https://www.rawpixel.com/image/12149041/image-plant-art-vintageFree 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/434342/free-photo-image-carol-highsmith-colorado-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/434477/the-maroon-bellsFree 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 licenseBridge Over The Uncompagre Near Ouray by William Henry Jackson https://www.rawpixel.com/image/14283790/bridge-over-the-uncompagre-near-ouray-william-henry-jacksonFree 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 license"The Loop" near Georgetown, Colorado by William Henry Jackson https://www.rawpixel.com/image/14275014/the-loop-near-georgetown-colorado-william-henry-jacksonFree 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 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 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 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 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 licenseSanctuary of Misión San Juan Capistrano, now known as simply "Mission San Juan," was established in 1716 as… https://www.rawpixel.com/image/582601/carol-highsmiths-texas-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/434471/the-maroon-bellsFree Image from public domain licenseA long-abandoned mining tipple on a hillside near the settlement of Ironton in San Juan County, Colorado. Original image… https://www.rawpixel.com/image/582520/carol-highsmiths-colorado-photographFree 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 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/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/434341/free-photo-image-horse-winter-carol-highsmithFree Image from public domain license