Abandoned 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 licenseBeyond the Denver Museum of Nature and Science in this aerial view looms the Denver skyline. Original image from Carol M.… https://www.rawpixel.com/image/582516/carol-highsmiths-colorado-photographFree Image from public domain licenseA pretty songbird fluffs up to ward off the cold in the woods near Aspen. Original image from Carol M. Highsmith’s… https://www.rawpixel.com/image/582483/carol-highsmiths-colorado-photographFree 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 licenseLandscape, including many wildflowers for which the area is famous, around Crested Butte, Colorado. https://www.rawpixel.com/image/582494/carol-highsmiths-colorado-photographFree Image from public domain licenseAerial view of Colorado Springs, Colorado. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/3094103/free-photo-image-forest-aerial-view-americaFree 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 licenseBig brown bear at the Wild Animal Sanctuary near Keenesburg, Colorado. Original image from Carol M. Highsmith’s… https://www.rawpixel.com/image/422125/free-photo-image-animal-bear-sanctuaryFree 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 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 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 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 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 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 licenseFighter jet outside the United States Air Force Academy Cadet Chapel in Colorado Springs, Colorado. Original image from… https://www.rawpixel.com/image/582492/carol-highsmiths-colorado-photographFree 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 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 licenseWashington's Union Station train terminal during its wholesale restoration in the 1980s. Original image from Carol M.… https://www.rawpixel.com/image/433937/free-photo-image-architecture-1980s-engineFree 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 licenseScenery at Colorado National Monument, a preserve of vast plateaus, canyons, and towering monoliths in Mesa County… https://www.rawpixel.com/image/3093643/free-photo-image-scenic-america-blue-skyFree 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 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 licenseAerial view of some of the standout red-rock formations at the Garden of the Gods, a municipally owned and free park in… https://www.rawpixel.com/image/582474/carol-highsmiths-colorado-photographFree Image from public domain licenseBlack freight train on the railroad running across the United States. Original image from Carol M. Highsmith's America… https://www.rawpixel.com/image/434298/free-photo-image-train-railway-trains-public-domainFree Image from public domain licenseGlittering concession stand purveying all sorts of fattening foods and treats at the Colorado State Fair in Pueblo… https://www.rawpixel.com/image/582514/carol-highsmiths-colorado-photographFree 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 licensePeruvian sheepherder Pepe Cruz tends to the flock at the Ladder Livestock Ranch, which is based literally across the highway… https://www.rawpixel.com/image/582473/carol-highsmiths-colorado-photographFree 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 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 licenseFog obscures the mountains outside Steamboat Springs, Colorado. Original image from Carol M. Highsmith’s America… https://www.rawpixel.com/image/582463/carol-highsmiths-colorado-photographFree Image from public domain licenseCabins laden with heavy snow outside Telluride in San Miguel County, Colorado. Original image from Carol M.… https://www.rawpixel.com/image/582523/carol-highsmiths-colorado-photographFree Image from public domain licenseWooden bar and surroundings inside the Springs Downtown Bar and Grill, which turned a 1904 building and town gathering place… https://www.rawpixel.com/image/582543/carol-highsmiths-colorado-photographFree 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 licenseLush fields under threatening skies in Montezuma County, Colorado. Original image from Carol M. Highsmith’s America… https://www.rawpixel.com/image/582470/carol-highsmiths-colorado-photographFree 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 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 water tower, steam engine, and tender at tiny Osier, Colorado, station about midway on the Cumbres & Toltec Scenic (C&TS)… https://www.rawpixel.com/image/582500/carol-highsmiths-colorado-photographFree 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 cove where ancient civilizations' petroglyphs (rock engravings) have been discovered on the JE Canyon Ranch, a former… https://www.rawpixel.com/image/582546/carol-highsmiths-colorado-photographFree Image from public domain licenseView of the snow-capped mountains surrounding Telluride, a historic Colorado mining town turned ski resort. Original image… https://www.rawpixel.com/image/582471/carol-highsmiths-colorado-photographFree 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 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 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/434472/free-photo-image-dogs-village-mountainsFree 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/434455/free-photo-image-horse-carol-highsmith-winterFree Image from public domain licenseA heavy-equipment transport ship at the Savannah River in Savannah, Georgia. Original image from Carol M. Highsmith’s… https://www.rawpixel.com/image/434571/free-photo-image-ship-america-public-domainFree Image from public domain licenseCog Railway in New Hampshire's White Mountains. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/433910/free-photo-image-new-hampshire-train-transportation-railwayFree Image from public domain licenseFall along the railroad tracks in Bangor, Maine. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/434651/free-photo-image-train-railway-railFree Image from public domain licenseAerial view of Denver, Colorado. Original image from Carol M. Highsmith’s America, Library of Congress collection.… https://www.rawpixel.com/image/3093661/free-photo-image-city-park-denver-aerial-view-americaFree Image from public domain licenseThe rushing Crystal River in Marble, a tiny community high in the mountains of Gunnison County, Colorado. Original image… https://www.rawpixel.com/image/3093653/free-photo-image-america-beautiful-carol-highsmithFree Image from public domain licenseSunset near Fort Morgan in northeastern Colorado. Original image from Carol M. Highsmith’s America, Library of… https://www.rawpixel.com/image/3093664/free-photo-image-carol-highsmith-high-resolution-landscape-americaFree Image from public domain licenseView from the mountain above Telluride, once a mining boomtown and now a popular skiing destination in Colorado. https://www.rawpixel.com/image/2371001/photo-image-public-domain-america-carol-highsmithFree Image from public domain licenseA few remaining tourist cabins, now decrepit, in Rabbit Ears Pass, which straddles Grand and Routt counties in northern… https://www.rawpixel.com/image/3093830/free-photo-image-america-beautiful-cabinFree 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 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 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 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 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 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 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 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 licenseBoth coming and going are steep for the Pikes Peak Cog Railway, which ascends Colorado's famous 14,115-foot Pikes Peak from… https://www.rawpixel.com/image/582507/carol-highsmiths-colorado-photographFree Image from public domain licenseWhen T-Lazy-7 Ranch snowmobile driver Charles Chisholm arrives at a favorite scenic spot near the Maroon Bells mountain… https://www.rawpixel.com/image/582466/carol-highsmiths-colorado-photographFree Image from public domain licenseScene at Snowmass, a skiing and snowboarding area Pitkin County, Colorado, in the valley of the Roaring Fork River between… https://www.rawpixel.com/image/582486/carol-highsmiths-colorado-photographFree 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 licenseThe Argo Gold Mine and Mill, a former mining and milling property consisting of a gold mine and gold mill in Idaho Springs… https://www.rawpixel.com/image/582489/carol-highsmiths-colorado-photographFree Image from public domain licenseColors of the illuminated Civic Center in downtown Denver mirror many of those in the fireworks overhead at the annual… https://www.rawpixel.com/image/582487/carol-highsmiths-colorado-photographFree Image from public domain licenseCamp Hale Pond, near the headwaters of the Eagle River in Eagle County, Colorado's Upper Eagle River Canyon. Original image… https://www.rawpixel.com/image/582491/carol-highsmiths-colorado-photographFree 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 licenseSunshine Skyway in Tampa Bay United States of America - Original image from Carol M. Highsmith’s America, Library of… https://www.rawpixel.com/image/433858/sunshine-skyway-tampa-bayFree 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 licenseParked freight trains at the Kansas City Southern yards in Wharton County in southeast Texas. Original image from Carol M.… https://www.rawpixel.com/image/434282/free-photo-image-train-logistics-railwayFree Image from public domain licenseUnion Station Great Hall during restoration in the 1980s. Original image from Carol M. Highsmith’s America, Library of… https://www.rawpixel.com/image/434016/free-photo-image-architecture-hall-restorationFree Image from public domain licenseThe New River Gorge Bridge. Original image from Carol M. Highsmith’s America, Library of Congress collection.… https://www.rawpixel.com/image/434375/free-photo-image-west-virginia-arch-new-river-gorgeFree 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 licenseWononskopomuc Lake, located in Lakeville, Connecticut. Original image from Carol M. Highsmith’s America, Library of… https://www.rawpixel.com/image/434047/free-photo-image-canoe-river-kayaking-carol-highsmithFree Image from public domain licenseFall aspens in San Juan County, Colorado. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/3093676/free-photo-image-america-aspens-autumnFree Image from public domain licenseFall aspens in San Juan County, Colorado. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/3093673/free-photo-image-america-aspens-autumnFree Image from public domain licenseFall aspens in San Juan County, Colorado. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/3093669/free-photo-image-america-aspens-autumnFree Image from public domain licenseScenic Railroad on the way from Durango to Silverton, Colorado. Original image from Carol M. Highsmith’s America… https://www.rawpixel.com/image/3091860/free-photo-image-america-autumn-blue-skyFree Image from public domain licenseAustralian horse trainer Dan James shows off his charges -- and his own equestrian skill -- at the Mexican Rodeo… https://www.rawpixel.com/image/582522/carol-highsmiths-colorado-photographFree 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 licenseLawrence Argent's "I See What You Mean," a giant blue bruin peeking into the Denver Convention Center in downtown Denver.… https://www.rawpixel.com/image/582525/carol-highsmiths-colorado-photographFree Image from public domain licenseInfrared-camera view of the New River Gorge Bridge in Fayette County, West Virginia. Original image from Carol M.… https://www.rawpixel.com/image/434284/free-photo-image-bridge-train-black-and-whiteFree 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 licenseContainer facility at Oakland Harbor. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/421962/container-facility-oakland-harborFree Image from public domain licenseCable car on Hyde street in San Francisco. Original image from Carol M. Highsmith’s America. Digitally enhanced by… https://www.rawpixel.com/image/2110359/carol-highsmiths-californiaFree Image from public domain licenseA tractor in Tunica County Mississippi. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/422077/free-photo-image-agriculture-farmer-tractorFree Image from public domain licenseCotton field getting plowed near Evansville, Mississippi. Original image from Carol M. Highsmith’s America, Library of… https://www.rawpixel.com/image/422090/free-photo-image-tractor-farmer-agricultural-machineryFree Image from public domain licenseThe Redwood National and State Parks along the coast of northern California. Original image from Carol M. Highsmith’s… https://www.rawpixel.com/image/434098/free-photo-image-green-carol-americaFree 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 Golden Gate Bridge is a suspension bridge spanning the Golden Gate. Original image from Carol M. Highsmith’s… https://www.rawpixel.com/image/422007/the-golden-gate-bridgeFree Image from public domain licenseBruce M. Van Sickle Federal Building, Minot, North Dakota (2014) by Carol M. Highsmith. Original image from Library of… https://www.rawpixel.com/image/591529/carol-highsmiths-north-dakota-photographFree Image from public domain licenseExterior window, Bruce M. Van Sickle Federal Building, Minot, North Dakota (2014) by Carol M. Highsmith. Original image from… https://www.rawpixel.com/image/591530/carol-highsmiths-north-dakota-photographFree Image from public domain licenseMassive machinery at work in the open-pit Wyodak coal mine in the coal-rich Powder River Basin outside Gillette, Wyoming.… https://www.rawpixel.com/image/434361/free-photo-image-mining-public-domain-trains-carol-highsmithFree Image from public domain licenseThe New River Gorge Bridge. Original image from Carol M. Highsmith’s America, Library of Congress collection.… https://www.rawpixel.com/image/434380/free-photo-image-bridges-carol-highsmith-virginiaFree Image from public domain licensePort of Houston, Texas. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally… https://www.rawpixel.com/image/421904/free-photo-image-export-ship-portFree Image from public domain license