Mountain-sunset view from Telluride, once a mining boomtown and now a popular skiing destination in Colorado - Original image… Mountain-sunset view from Telluride, once a mining boomtown and now a popular skiing destination in Colorado - Original image… Free Photo from public domain license
A bighorn sheep in Colorado National Monument, a preserve of vast plateaus, canyons, and towering monoliths in Mesa County… A bighorn sheep in Colorado National Monument, a preserve of vast plateaus, canyons, and towering monoliths in Mesa County… Free Photo from public domain license
Lions in the grass at the Wild Animal Sanctuary near Keenesburg, Colorado. Original image from Carol M. Highsmith’s… Lions in the grass at the Wild Animal Sanctuary near Keenesburg, Colorado. Original image from Carol M. Highsmith’s… Free Photo from public domain license
A portion of Great Sand Dunes National Monument and Preserve. Original image from Carol M. Highsmith’s America, Library… A portion of Great Sand Dunes National Monument and Preserve. Original image from Carol M. Highsmith’s America, Library… Free Photo from public domain license
The Maroon Bells, just outside Aspen in Colorado's Rocky Mountains USA - Fall aspens in San Juan County, Colorado USA -… The Maroon Bells, just outside Aspen in Colorado's Rocky Mountains USA - Fall aspens in San Juan County, Colorado USA -… Free Photo from public domain license
"Flat Tops" -- a range of the Rocky Mountains Colorado - Original image from Carol M. Highsmith’s America, Library of… "Flat Tops" -- a range of the Rocky Mountains Colorado - Original image from Carol M. Highsmith’s America, Library of… Free Photo from public domain license
"Alpine Loop" San Juan Mountains above Silverton, Colorado USA - Original image from Carol M. Highsmith’s America… "Alpine Loop" San Juan Mountains above Silverton, Colorado USA - Original image from Carol M. Highsmith’s America… Free Photo from public domain license
Wolf on the run at the Wild Animal Sanctuary near Keenesburg, Colorado. Original image from Carol M. Highsmith’s… Wolf on the run at the Wild Animal Sanctuary near Keenesburg, Colorado. Original image from Carol M. Highsmith’s… Free Photo from public domain license
Fall aspens in San Juan County, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… Fall aspens in San Juan County, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… Free Photo from public domain license
A mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, at the Wyoming-Colorado border. Original… A mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, at the Wyoming-Colorado border. Original… Free Photo from public domain license
Samuel "Tamehorse" Gallegos, photographed in Pueblo, Colorado, at a gathering of North American Native People. Original image… Samuel "Tamehorse" Gallegos, photographed in Pueblo, Colorado, at a gathering of North American Native People. Original image… Free Photo from public domain license
Fog obscures the mountains outside Steamboat Springs, Colorado. Original image from Carol M. Highsmith’s America… Fog obscures the mountains outside Steamboat Springs, Colorado. Original image from Carol M. Highsmith’s America… Free Photo from public domain license
Steam locomotives in the roundhouse of the Durango & Silverton Narrow Gauge Scenic Railroad in Durango, Colorado. Original… Steam locomotives in the roundhouse of the Durango & Silverton Narrow Gauge Scenic Railroad in Durango, Colorado. Original… Free Photo from public domain license
A farmer kicks up dust as he readies the ground for planting near Bristol in Prowers County, Colorado. Original image from… A farmer kicks up dust as he readies the ground for planting near Bristol in Prowers County, Colorado. Original image from… Free Photo from public domain license
The Maroon Bells, just outside Aspen in Colorado's Rocky Mountains USA - Fall aspens in San Juan County, Colorado USA -… The Maroon Bells, just outside Aspen in Colorado's Rocky Mountains USA - Fall aspens in San Juan County, Colorado USA -… Free Photo from public domain license
Scenery at Colorado National Monument - Original image from Carol M. Highsmith’s America, Library of Congress… Scenery at Colorado National Monument - Original image from Carol M. Highsmith’s America, Library of Congress… Free Photo from public domain license
Fighter jet outside the United States Air Force Academy Cadet Chapel in Colorado Springs, Colorado. Original image from Carol… Fighter jet outside the United States Air Force Academy Cadet Chapel in Colorado Springs, Colorado. Original image from Carol… Free Photo from public domain license
Autumnal view of Rocky Mountain peaks called the Maroon Bells, between Pitkin County and Gunnison County, Colorado. Original… Autumnal view of Rocky Mountain peaks called the Maroon Bells, between Pitkin County and Gunnison County, Colorado. Original… Free Photo from public domain license
A mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, at the Wyoming-Colorado border. Original… A mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, at the Wyoming-Colorado border. Original… Free Photo from public domain license
Beautiful sunset near the town of Ovid (and close to the Nebraska border) in Sedgwick County, Colorado. Original image from… Beautiful sunset near the town of Ovid (and close to the Nebraska border) in Sedgwick County, Colorado. Original image from… Free Photo from public domain license
Colorado Aspens. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally enhanced… Colorado Aspens. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally enhanced… Free Photo from public domain license
A Durango & Silverton Narrow-Gauge Scenic Railroad train, pulled by a vintage steam locomotive, chugs through the San Juan… A Durango & Silverton Narrow-Gauge Scenic Railroad train, pulled by a vintage steam locomotive, chugs through the San Juan… Free Photo from public domain license
Heavy snow surrounds and lies a top a cabin in Steamboat Springs, Colorado. Original image from Carol M. Highsmith’s… Heavy snow surrounds and lies a top a cabin in Steamboat Springs, Colorado. Original image from Carol M. Highsmith’s… Free Photo from public domain license
Brown bear, maybe smiling, at the Wild Animal Sanctuary, a 720-acre animal refuge housing more than 350 large animals near… Brown bear, maybe smiling, at the Wild Animal Sanctuary, a 720-acre animal refuge housing more than 350 large animals near… Free Photo from public domain license
Fall aspens in San Juan County, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… Fall aspens in San Juan County, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… Free Photo from public domain license
American bison, or buffaloes, in Yellowstone National Park in the northwest corner of Wyoming. Original image from Carol M.… American bison, or buffaloes, in Yellowstone National Park in the northwest corner of Wyoming. Original image from Carol M.… Free Photo from public domain license
The Garden of the Gods, a public park in Colorado Springs, Colorado USA - Original image from Carol M. Highsmith’s… The Garden of the Gods, a public park in Colorado Springs, Colorado USA - Original image from Carol M. Highsmith’s… Free Photo from public domain license
A mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, at the Wyoming-Colorado border. Original… A mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, at the Wyoming-Colorado border. Original… Free Photo from public domain license
The Tabor Opera House in Leadville, Colorado. Built in 1879 by Horace Austin Warner Tabor, one of Colorado's legendary mining… The Tabor Opera House in Leadville, Colorado. Built in 1879 by Horace Austin Warner Tabor, one of Colorado's legendary mining… Free Photo from public domain license
A bighorn sheep in Colorado National Monument, a preserve of vast plateaus, canyons, and towering monoliths in Mesa County… A bighorn sheep in Colorado National Monument, a preserve of vast plateaus, canyons, and towering monoliths in Mesa County… Free Photo from public domain license
Dusk falls over a line of telephone poles near Jefferson, Colorado USA - Original image from Carol M. Highsmith’s… Dusk falls over a line of telephone poles near Jefferson, Colorado USA - Original image from Carol M. Highsmith’s… Free Photo from public domain license
Mountain-sunset view from Telluride, once a mining boomtown and now a popular skiing destination in Colorado - Original image… Mountain-sunset view from Telluride, once a mining boomtown and now a popular skiing destination in Colorado - Original image… Free Photo from public domain license
Spectacular fall scene near Rico in Dolores County, Colorado. Original image from Carol M. Highsmith’s America, Library… Spectacular fall scene near Rico in Dolores County, Colorado. Original image from Carol M. Highsmith’s America, Library… Free Photo from public domain license
Colorful and cleverly designed hot-air balloons at the annual Telluride Balloon Festival. Original image from Carol M.… Colorful and cleverly designed hot-air balloons at the annual Telluride Balloon Festival. Original image from Carol M.… Free Photo from public domain license
A hawk at a Colorado Springs Native American Inter-Tribal Powwow and festival in Colorado city. Original image from Carol M.… A hawk at a Colorado Springs Native American Inter-Tribal Powwow and festival in Colorado city. Original image from Carol M.… Free Photo from public domain license
Barn from which a horse could certainly get out in Rio Grande County, Colorado. Original image from Carol M.… Barn from which a horse could certainly get out in Rio Grande County, Colorado. Original image from Carol M.… Free Photo from public domain license
Fall in the San Juan Mountains of Conejos County, Colorado, near the New Mexico border - Original image from Carol M.… Fall in the San Juan Mountains of Conejos County, Colorado, near the New Mexico border - Original image from Carol M.… Free Photo from public domain license
Lions in the grass at the Wild Animal Sanctuary near Keenesburg, Colorado. Original image from Carol M. Highsmith’s… Lions in the grass at the Wild Animal Sanctuary near Keenesburg, Colorado. Original image from Carol M. Highsmith’s… Free Photo from public domain license
Vivid fall colors accent the aptly named Red Mountain between Ouray and Silverton in San Juan County, Colorado. Original… Vivid fall colors accent the aptly named Red Mountain between Ouray and Silverton in San Juan County, Colorado. Original… Free Photo from public domain license
Cattle amble freely in the San Juan Mountains of Conejos County, Colorado, near the New Mexico border. Original image from… Cattle amble freely in the San Juan Mountains of Conejos County, Colorado, near the New Mexico border. Original image from… Free Photo from public domain license
A mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, at the Wyoming-Colorado border. Original… A mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, at the Wyoming-Colorado border. Original… Free Photo from public domain license
An audience takes in a rock concert at the Red Rocks Amphitheater, a naturally formed, world-famous outdoor venue fifteen… An audience takes in a rock concert at the Red Rocks Amphitheater, a naturally formed, world-famous outdoor venue fifteen… Free Photo from public domain license
Mountain-sunset view from Telluride, once a mining boomtown and now a popular skiing destination in Colorado. Original image… Mountain-sunset view from Telluride, once a mining boomtown and now a popular skiing destination in Colorado. Original image… Free Photo from public domain license
Crystal Mill, one of the most-photographed (though most difficult to reach) historic sites in Colorado. It sits in what is… Crystal Mill, one of the most-photographed (though most difficult to reach) historic sites in Colorado. It sits in what is… Free Photo from public domain license
In 2012, the U.S. state of Colorado legalized the sale of recreational marijuana. But if this Denver storefront's message is… In 2012, the U.S. state of Colorado legalized the sale of recreational marijuana. But if this Denver storefront's message is… Free Photo from public domain license
The Maroon Bells, just outside Aspen in Colorado's Rocky Mountains USA - Fall aspens in San Juan County, Colorado USA -… The Maroon Bells, just outside Aspen in Colorado's Rocky Mountains USA - Fall aspens in San Juan County, Colorado USA -… Free Photo from public domain license
Landscape, including many wildflowers for which the area is famous, around Crested Butte, Colorado. The formation that gives… Landscape, including many wildflowers for which the area is famous, around Crested Butte, Colorado. The formation that gives… Free Photo from public domain license
The Argo Gold Mine and Mill, a former mining and milling property consisting of a gold mine and gold mill in Idaho Springs… The Argo Gold Mine and Mill, a former mining and milling property consisting of a gold mine and gold mill in Idaho Springs… Free Photo from public domain license
The Strater Hotel, opened in 1888 during a mining boom in Durango, Colorado. Four years later, owner Henry M. Strater added… The Strater Hotel, opened in 1888 during a mining boom in Durango, Colorado. Four years later, owner Henry M. Strater added… Free Photo from public domain license
The Maroon Bells, just outside Aspen in Colorado's Rocky Mountains USA - Fall aspens in San Juan County, Colorado USA -… The Maroon Bells, just outside Aspen in Colorado's Rocky Mountains USA - Fall aspens in San Juan County, Colorado USA -… Free Photo from public domain license
Spectacular Rocky Mountain valley outside Telluride, Colorado - Original image from Carol M. Highsmith’s America… Spectacular Rocky Mountain valley outside Telluride, Colorado - Original image from Carol M. Highsmith’s America… Free Photo from public domain license
Fall aspens in San Juan County, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… Fall aspens in San Juan County, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… Free Photo from public domain license
A farmer kicks up dust as he readies the ground for planting near Bristol in Prowers County, Colorado. Original image from… A farmer kicks up dust as he readies the ground for planting near Bristol in Prowers County, Colorado. Original image from… Free Photo from public domain license
Fog adds to the winter chill above and surrounding Steamboat Springs, Colorado - Original image from Carol M.… Fog adds to the winter chill above and surrounding Steamboat Springs, Colorado - Original image from Carol M.… Free Photo from public domain license
Fog accents the winter chill above and surrounding Steamboat Springs, Colorado. Original image from Carol M.… Fog accents the winter chill above and surrounding Steamboat Springs, Colorado. Original image from Carol M.… Free Photo from public domain license
Sedgwick County, near Julesburg, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… Sedgwick County, near Julesburg, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… Free Photo from public domain license
A Durango & Silverton Narrow-Guage Scenic Railroad train, pulled by a vintage steam locomotive, crosses an alpine bridge in… A Durango & Silverton Narrow-Guage Scenic Railroad train, pulled by a vintage steam locomotive, crosses an alpine bridge in… Free Photo from public domain license
View from right on top of the tallest dune in North America at Great Sand Dunes National Park and Preserve, in the San Luis… View from right on top of the tallest dune in North America at Great Sand Dunes National Park and Preserve, in the San Luis… Free Photo from public domain license
The virtual ghost town of Crystal in Gunnison County, Colorado USA - Original image from Carol M. Highsmith’s America… The virtual ghost town of Crystal in Gunnison County, Colorado USA - Original image from Carol M. Highsmith’s America… Free Photo from public domain license
Fall aspens in San Juan County, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… Fall aspens in San Juan County, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… Free Photo from public domain license
Rafters on Clear Creek, outside Idaho Falls, Colorado - Original image from Carol M. Highsmith’s America, Library of… Rafters on Clear Creek, outside Idaho Falls, Colorado - Original image from Carol M. Highsmith’s America, Library of… Free Photo from public domain license
Windmill silhouetted at sunset in eastern Colorado. Original image from Carol M. Highsmith’s America, Library of… Windmill silhouetted at sunset in eastern Colorado. Original image from Carol M. Highsmith’s America, Library of… Free Photo from public domain license
View of the Rocky Mountains, USA - Original image from Carol M. Highsmith’s America, Library of Congress collection.… View of the Rocky Mountains, USA - Original image from Carol M. Highsmith’s America, Library of Congress collection.… Free Photo from public domain license
View of the Rocky Mountains Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… View of the Rocky Mountains Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… Free Photo from public domain license
The Garden of the Gods, a public park in Colorado Springs, Colorado USA - Original image from Carol M. Highsmith’s… The Garden of the Gods, a public park in Colorado Springs, Colorado USA - Original image from Carol M. Highsmith’s… Free Photo from public domain license
The Maroon Bells, just outside Aspen in Colorado's Rocky Mountains USA - Fall aspens in San Juan County, Colorado USA -… The Maroon Bells, just outside Aspen in Colorado's Rocky Mountains USA - Fall aspens in San Juan County, Colorado USA -… Free Photo from public domain license
Tiger at the Wild Animal Sanctuary, near Keenesburg, Colorado. Original image from Carol M. Highsmith’s America… Tiger at the Wild Animal Sanctuary, near Keenesburg, Colorado. Original image from Carol M. Highsmith’s America… Free Photo from public domain license
A Durango & Silverton Narrow-Guage Scenic Railroad train, pulled by a vintage steam locomotive, navigates a San Juan… A Durango & Silverton Narrow-Guage Scenic Railroad train, pulled by a vintage steam locomotive, navigates a San Juan… Free Photo from public domain license
Great horned owl at Big Creek cattle ranch in Carbon County, Wyoming. Original image from Carol M. Highsmith’s America… Great horned owl at Big Creek cattle ranch in Carbon County, Wyoming. Original image from Carol M. Highsmith’s America… Free Photo from public domain license
"Warmth of Winter" exhibition at the annual Winter Carnival in Steamboat Springs, Colorado - Original image from Carol M.… "Warmth of Winter" exhibition at the annual Winter Carnival in Steamboat Springs, Colorado - Original image from Carol M.… Free Photo from public domain license
Scene at Snowmass, a skiing and snowboarding area Pitkin County, Colorado, in the valley of the Roaring Fork River between… Scene at Snowmass, a skiing and snowboarding area Pitkin County, Colorado, in the valley of the Roaring Fork River between… Free Photo from public domain license
A mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, at the Wyoming-Colorado border. Original… A mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, at the Wyoming-Colorado border. Original… Free Photo from public domain license
Chairlifts ascend the mountain at the Snowmass Village ski resort in Pitkin County, Colorado - Original image from Carol M.… Chairlifts ascend the mountain at the Snowmass Village ski resort in Pitkin County, Colorado - Original image from Carol M.… Free Photo from public domain license
Fall aspens in San Juan County, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… Fall aspens in San Juan County, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… Free Photo from public domain license
North Clear Creek Falls, in Hinsdale County Colorado - Original image from Carol M. Highsmith’s America, Library of… North Clear Creek Falls, in Hinsdale County Colorado - Original image from Carol M. Highsmith’s America, Library of… Free Photo from public domain license
Big brown bear at the Wild Animal Sanctuary near Keenesburg, Colorado. Original image from Carol M. Highsmith’s… Big brown bear at the Wild Animal Sanctuary near Keenesburg, Colorado. Original image from Carol M. Highsmith’s… Free Photo from public domain license
Scenic Railroad train, pulled by a vintage steam locomotive, chugs through the San Juan Mountains in the Colorado county of… Scenic Railroad train, pulled by a vintage steam locomotive, chugs through the San Juan Mountains in the Colorado county of… Free Photo from public domain license
A mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, at the Wyoming-Colorado border. Original… A mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, at the Wyoming-Colorado border. Original… Free Photo from public domain license
A lush field beneath threatening skies in rural Otero County, Colorado. Original image from Carol M. Highsmith’s… A lush field beneath threatening skies in rural Otero County, Colorado. Original image from Carol M. Highsmith’s… Free Photo from public domain license
Alpine lake above the Crystal River Valley town of Marble, Colorado - Original image from Carol M. Highsmith’s America… Alpine lake above the Crystal River Valley town of Marble, Colorado - Original image from Carol M. Highsmith’s America… Free Photo from public domain license
Wolf on the run at the Wild Animal Sanctuary near Keenesburg, Colorado. Original image from Carol M. Highsmith’s… Wolf on the run at the Wild Animal Sanctuary near Keenesburg, Colorado. Original image from Carol M. Highsmith’s… Free Photo from public domain license
A mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, at the Wyoming-Colorado border. Original… A mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, at the Wyoming-Colorado border. Original… Free Photo from public domain license
Artist and moldmaker John Billings works on the latest set of Grammy Award trophies, which he crafts in his Ridgway… Artist and moldmaker John Billings works on the latest set of Grammy Award trophies, which he crafts in his Ridgway… Free Photo from public domain license
Owner John Kukral wets a line at his Park Range Ranch, near the Wyoming border in Jackson County's scenic North Park valley… Owner John Kukral wets a line at his Park Range Ranch, near the Wyoming border in Jackson County's scenic North Park valley… Free Photo from public domain license
Cowboys and their dog ford the North Platte River on the Park Range Ranch, near the Wyoming border in Jackson County's scenic… Cowboys and their dog ford the North Platte River on the Park Range Ranch, near the Wyoming border in Jackson County's scenic… Free Photo from public domain license
At the Trinidad Mining Museum in Trinidad, Colorado, old-timers Tom Hay, Alex Gerardo, Gerald Renner, and Bob Butero (left to… At the Trinidad Mining Museum in Trinidad, Colorado, old-timers Tom Hay, Alex Gerardo, Gerald Renner, and Bob Butero (left to… Free Photo from public domain license
Aspens Over Vail, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress collection.… Aspens Over Vail, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress collection.… Free Photo from public domain license
Denver International Airport's peaked roof, outside Denver, Colorado, designed by Fentress Bradburn Architects.Original image… Denver International Airport's peaked roof, outside Denver, Colorado, designed by Fentress Bradburn Architects.Original image… Free Photo from public domain license
Cowhand John Guthrie III and his horse, Gunner, near one of several streams on the Park Range Ranch in Colorado's North Park.… Cowhand John Guthrie III and his horse, Gunner, near one of several streams on the Park Range Ranch in Colorado's North Park.… Free Photo from public domain license
Longhorn cattle attract a crowd at the National Western Stock Show's kickoff parade in downtown Denver, Colorado. Original… Longhorn cattle attract a crowd at the National Western Stock Show's kickoff parade in downtown Denver, Colorado. Original… Free Photo from public domain license
Australian horse trainer Dan James shows off his charges -- and his own equestrian skill -- at the Mexican Rodeo… Australian horse trainer Dan James shows off his charges -- and his own equestrian skill -- at the Mexican Rodeo… Free Photo from public domain license
A cove where ancient civilizations' petroglyphs (rock engravings) have been discovered on the JE Canyon Ranch, a former… A cove where ancient civilizations' petroglyphs (rock engravings) have been discovered on the JE Canyon Ranch, a former… Free Photo from public domain license
The Frederic C. Hamilton Building in Denver, Colorado, holds the modern and contemporary art, African art and Oceanic art… The Frederic C. Hamilton Building in Denver, Colorado, holds the modern and contemporary art, African art and Oceanic art… Free Photo from public domain license