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 
Boxes containing bees, for pollation, beside a field in Rio Grande County, Colorado - Original image from Carol M.… Free Photo from public domain license 
Sedgwick County, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress collection.… 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… Free Photo from public domain license 
A burro stands in what is otherwise a field of cattle near Jefferson, 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… Free Photo from public domain license 
Dusk in rural Sedgwick County, Colorado, near Julesburg, on the Nebraska border - Original image from Carol M.… Free Photo from public domain license 
Sunset near Fort Morgan in northeastern Colorado, USA - Original image from Carol M. Highsmith’s America, Library of… 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… 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… Free Photo from public domain license 
Scenery at Colorado National Monument - Original image from Carol M. Highsmith’s America, Library of Congress… Free Photo from public domain license 
A young bald eagle surveys the world below in the vast Wyoming portion of Yellowstone National Park. Original image from… Free Photo from public domain license 
Scenery at Colorado National Monument, USA - Original image from Carol M. Highsmith’s America, Library of Congress… 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… Free Photo from public domain license 
Scenery at Colorado National Monument, USA - Original image from Carol M. Highsmith’s America, Library of Congress… Free Photo from public domain license 
Scenery at Colorado National Monument, USA - Original image from Carol M. Highsmith’s America, Library of Congress… 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… Free Photo from public domain license 
Scenery at Colorado National Monument, USA - Original image from Carol M. Highsmith’s America, Library of Congress… Free Photo from public domain license 
Work progresses inside the Colorado Stone Quarries mine. Original image from Carol M. Highsmith’s America, Library of… Free Photo from public domain license 
A bald eagle at the Cheyenne Mountain Zoo in Colorado Springs, Colorado. Original image from Carol M. Highsmith’s… Free Photo from public domain license 
Colorado River, near Parshall, Colorado - Original image from Carol M. Highsmith’s America, Library of Congress… Free Photo from public domain license 
A young bald eagle surveys the world below in the vast Wyoming portion of Yellowstone National Park. Original image from… Free Photo from public domain license 
Scenery at Colorado National Monument USA - Original image from Carol M. Highsmith’s America, Library of Congress… Free Photo from public domain license 
Scenery at Colorado National Monument, USA - Original image from Carol M. Highsmith’s America, Library of Congress… 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… Free Photo from public domain license 
Pueblo, Colorado, trainyards. Original image from Carol M. Highsmith’s America, Library of Congress collection.… 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… 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… Free Photo from public domain license 
Old West heritage town on the outskirts of Durango, Colorado USA - Original image from Carol M. Highsmith’s America… 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… Free Photo from public domain license 
An American grizzly bear at the Cheyenne Mountain Zoo in Colorado Springs, Colorado. Original image from Carol M.… Free Photo from public domain license 
An American grizzly bear at the Cheyenne Mountain Zoo in Colorado Springs, Colorado. Original image from Carol M.… Free Photo from public domain license 
Canyons of the Ancients National Monument in far-southwestern Colorado's Montezuma County, USA - Original image from Carol M.… Free Photo from public domain license 
The Santa Monica Pier is a large double-jointed pier located at the foot of Colorado Avenue in Santa Monica, California.… Free Photo from public domain license 
Lake Molas in the San Juan Mountains of southwestern Colorado's San Juan County, USA - Original image from Carol M.… Free Photo from public domain license 
Tiger at the Wild Animal Sanctuary, near Keenesburg, Colorado. Original image from Carol M. Highsmith’s America… Free Photo from public domain license 
Fall aspens in the Colorado Rockies, USA - Original image from Carol M. Highsmith’s America, Library of Congress… Free Photo from public domain license 
Sheep at the Ladder Livestock Ranch, which is based across the highway from Colorado in Carbon County, Wyoming. Original… 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 -… Free Photo from public domain license 
Sled dogs get a breather in the Rocky Mountain backcountry near the ski resort of Snowmass Village, Colorado. Original image… Free Photo from public domain license 
Sheep at the Ladder Livestock Ranch, which is based across the highway from Colorado in Carbon County, Wyoming. Original… Free Photo from public domain license 
Bridal Veil Falls, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress collection.… Free Photo from public domain license 
Barley processing at the MillerCoors Brewery in Colorado. Original image from Carol M. Highsmith’s America, Library of… 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… Free Photo from public domain license 
View of the Rocky Mountains, USA - Original image from Carol M. Highsmith’s America, Library of Congress collection.… 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… Free Photo from public domain license 
Sheep at the Ladder Livestock Ranch, which is based across the highway from Colorado in Carbon County, Wyoming. Original… 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… 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… 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… Free Photo from public domain license 
Spectacular Rocky Mountain valley outside Telluride, Colorado - Original image from Carol M. Highsmith’s America… 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… Free Photo from public domain license 
Windmill silhouetted at sunset in eastern Colorado. Original image from Carol M. Highsmith’s America, Library of… Free Photo from public domain license 
Stream in Eldorado Canyon State Park in Boulder County, Colorado - Original image from Carol M. Highsmith’s America… Free Photo from public domain license 
Bridal Veil Falls, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress collection.… Free Photo from public domain license 
The "Cellar 12" filtration room at the MillerCoors Brewery in Corolado. Original image from Carol M. Highsmith’s… Free Photo from public domain license 
Kilns where soaked barley grains are dried and heated at the MillerCoors Brewery in 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… Free Photo from public domain license 
"Alpine Loop" San Juan Mountains above Silverton, Colorado USA - Original image from Carol M. Highsmith’s America… Free Photo from public domain license 
Lake Molas in the San Juan Mountains of southwestern Colorado's San Juan County, USA - Original image from Carol M.… 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.… Free Photo from public domain license 
Train track to infinity on the eastern Colorado plains. Old Mammoth Road. Original image from Carol M. Highsmith’s… Free Photo from public domain license 
View of the Rocky Mountains Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… 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.… 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… Free Photo from public domain license 
View of the Rocky Mountains Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… Free Photo from public domain license 
Bison herd in Weld County, Colorado, near the Wyoming line - Original image from Carol M. Highsmiths America, Library of… Free Photo from public domain license 
Sled dogs get a breather in the Rocky Mountain backcountry near the ski resort of Snowmass Village, Colorado. Original image… Free Photo from public domain license 
A blooming cactus in Purgatoire Canyon, a spectacular rocky gorge in the middle of an otherwise flat prairie at JE Canyon… 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… Free Photo from public domain license 
Tiger at the Wild Animal Sanctuary, near Keenesburg, Colorado. Original image from Carol M. Highsmith’s America… 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… Free Photo from public domain license 
A young bald eagle surveys the world below in the vast Wyoming portion of Yellowstone National Park. Original image from… Free Photo from public domain license 
Sheep at the Ladder Livestock Ranch, which is based across the highway from Colorado in Carbon County, Wyoming. Original… 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… Free Photo from public domain license 
Sled dogs get a breather in the Rocky Mountain backcountry near the ski resort of Snowmass Village, Colorado. Original image… Free Photo from public domain license 
Colorful and cleverly designed hot-air balloons at the annual Telluride Balloon Festival. Original image from Carol M.… Free Photo from public domain license 
Branding irons on branding day at the Ladder Livestock Ranch's cattle operation in Moffat County, Colorado. Original image… Free Photo from public domain license 
Barley processing at the MillerCoors Brewery in Colorado. Original image from Carol M. Highsmith’s America, Library of… 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… Free Photo from public domain license 
Aspens in San Juan County, Colorado USA - Original image from Carol M. Highsmith’s America, Library of Congress… Free Photo from public domain license 
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 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 
The Santa Monica Pier. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally… Free Photo from public domain license 
A Durango & Silverton Narrow Gauge Railroad (D&SNG) above the Animas River Valley in La Plata County, Colorado USA - Original… Free Photo from public domain license 
Lush fields under threatening skies in Montezuma County, Colorado, USA - Original image from Carol M. Highsmith’s… Free Photo from public domain license 
A young bald eagle surveys the world below in the vast Wyoming portion of Yellowstone National Park. Original image from… Free Photo from public domain license 
Sled dogs in the Rocky Mountain backcountry near the ski resort of Snowmass Village, Colorado. Original image from Carol M.… 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… 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.… 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… 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… Free Photo from public domain license 