At Horseshoe Bend on the Colorado River in Arizona. Original image from Carol M. Highsmith’s America, Library of… Free Photo from public domain license 
The famous red-sandstone formations that surround Sedona, Arizona, a popular tourist destination whose main attraction are… Free Photo from public domain license 
Some of the stunning red rocks for which Sedona, in nothern Arizona, is famous. These are some of the most-photographed… Free Photo from public domain license 
Some of the stunning red rocks for which Sedona, in nothern Arizona, is famous. These are some of the most-photographed… Free Photo from public domain license 
Saguaro cacti — native to Arizona and a bit of California and northern Mexico — display their upturned… Free Photo from public domain license 
Saguaro Sentinel. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally enhanced… Free Photo from public domain license 
Scene in the Arizona portion of Monument Valley, a desert region on the Arizona-Utah border known for the towering sandstone… Free Photo from public domain license 
Scene in the Arizona portion of Monument Valley, a desert region on the Arizona-Utah border known for the towering sandstone… Free Photo from public domain license 
Saguaro Cactus near Tucson, Arizona. Original image from Carol M. Highsmith’s America, Library of Congress collection.… Free Photo from public domain license 
Saguaro Cactus near Tucson, Arizona. Original image from Carol M. Highsmith’s America, Library of Congress collection.… Free Photo from public domain license 
Pre-Columbian peoples used these ledges as protection from rain and snow in Walnut Canyon National Monument, located about 10… Free Photo from public domain license 
Scene in the Arizona portion of Monument Valley, a desert region on the Arizona-Utah border known for the towering sandstone… Free Photo from public domain license 
Aerial view of Lake Powell, near Page, Arizona. The lake is a reservoir, created by the flooding of Glen Canyon by the Glen… Free Photo from public domain license 
A handsome specimen of the saguaro cactus, famous for its uplifted “arms,” in desert country near Morristown… Free Photo from public domain license 
Rural Arizona near Florence, Arizona. Original image from Carol M. Highsmith’s America, Library of Congress collection.… Free Photo from public domain license 
Saguaro cacti outside Tucson, Arizona. Original image from Carol M. Highsmith’s America, Library of Congress… Free Photo from public domain license 
Tower of the Chapel of the Holy Cross in Sedona, Arizona, a small city and popular tourist attraction thanks to its red… Free Photo from public domain license 
Saguaro cacti at sunset outside Tucson, Arizona. Original image from Carol M. Highsmith’s America, Library of Congress… Free Photo from public domain license 
Grand Canyon, Arizona. Old Mammoth Road. Original image from Carol M. Highsmith’s America, Library of Congress… Free Photo from public domain license 
Saguaro cacti — native to Arizona and a bit of California and northern Mexico — display their upturned… Free Photo from public domain license 
View from the South Rim of the spectacular Grand Canyon National Park. The 277-mile-long canyon, formed over two billion… Free Photo from public domain license 
Elk, sometimes by the dozens at once, comfortably mingle with visitors along the roadways of Grand Canyon National Park in… Free Photo from public domain license 
Saguaro Cactus near Tucson, Arizona. Original image from Carol M. Highsmith’s America, Library of Congress collection.… Free Photo from public domain license 
View of the Grand Canyon from the South Rim. Old Mammoth Road. Original image from Carol M. Highsmith’s America… Free Photo from public domain license 
Sedona, Arizona aerial view from helicopter. Old Mammoth Road. Original image from Carol M. Highsmith’s America… Free Photo from public domain license 
View of Monument Valley in Arizona, USA. Old Mammoth Road. Original image from Carol M. Highsmith’s America, Library of… Free Photo from public domain license 
Slot Canyons. Gently carved from the Navajo sandstone over the course of countless millenniums. Original image from Carol M.… Free Photo from public domain license 
Exterior architectural detail on the Panhandle-Plains Historical Museum on the campus of West Texas A&M University in Canyon… Free Photo from public domain license 
View from the South Rim of the spectacular Grand Canyon National Park. The 277-mile-long canyon, formed over two billion… Free Photo from public domain license 
A petroglyph mounted outside Taliesin West, renowned architect Frank Lloyd Wright's winter home and school in the desert… Free Photo from public domain license 
The "Lighthouse," the signature formation in Palo Duro Canyon State Park in Armstrong County in the Texas Panhandle. A… Free Photo from public domain license 
This is forbidding Havasu Canyon, an offshoot of Grand Canyon National Park but on lands administered by the Havasupai Indian… Free Photo from public domain license 
At least thirteen named canyons and numerous buttes and mountains surround the Arizona city of Sedona, and many of those… Free Photo from public domain license 
The famous red-sandstone formations that surround Sedona, Arizona, a popular tourist destination whose main attraction are… Free Photo from public domain license 
The famous red-sandstone formations that surround Sedona, Arizona, a popular tourist destination whose main attraction are… Free Photo from public domain license 
Monument Valley, Arizona. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally… Free Photo from public domain license 
Saguaro catci proliferate throughout the course at the We-Ko-Pa Golf Club in the Sonoran Desert outside Fort McDowell… Free Photo from public domain license 
Pocked-rock formations at Hueco Tanks State Park in West Texas. Original image from Carol M. Highsmith’s America… Free Photo from public domain license 
Arizona's Grand Canyon Watch Tower. Old Mammoth Road. Original image from Carol M. Highsmith’s America, Library of… Free Photo from public domain license 
Pre-Columbian peoples used these ledges as protection from rain and snow in Walnut Canyon National Monument, located about 10… Free Photo from public domain license 
Grand Canyon River View. Old Mammoth Road. Original image from Carol M. Highsmith’s America, Library of Congress… Free Photo from public domain license 
Havasu Falls, one of five Havasupai waterfalls deep in Arizona’s Havasu Canyon, an offshoot of Grand Canyon National… Free Photo from public domain license 
A woman wades in pools below Havasu Falls, one of five Havasupai waterfalls deep in Arizona’s Havasu Canyon, an… Free Photo from public domain license 
Mock shootout, strictly for visitors’ benefit, in Old Tombstone in southeast Arizona. Original image from Carol M.… Free Photo from public domain license 
A mountain biker tests a rugged path amid the rock formations in Palo Duro Canyon State Park in the Texas Panhandle. Original… Free Photo from public domain license 
Rattlesnake Rodeo in Opp, Alabama. Original image from Carol M. Highsmith’s America, Library of Congress collection.… Free Photo from public domain license