Store window in downtown Lenoir City, a small city in Tennessee, southwest of larger Knoxville … https://www.rawpixel.com/image/8042575/photo-image-plant-wood-public-domainFree Image from public domain license A view of the Bailey Yards, as of 2022 the world's largest train classification yard, of the Union… https://www.rawpixel.com/image/8043798/photo-image-public-domain-united-states-trainFree Image from public domain license Switch engines at the Bailey Yards, as of 2022 the world's largest train classification yard, of the… https://www.rawpixel.com/image/8067699/photo-image-public-domain-united-states-trainFree Image from public domain licenseStansbury cliffrose (Purshia stansburiana)Credit NPS/Hallie Larsen. Original public domain image from Flickr https://www.rawpixel.com/image/4033526/photo-image-paper-flower-lightFree Image from public domain licenseHairy false goldenaster (Heterotheca villosa)Credit NPS/Hallie Larsen. Original public domain image from Flickr https://www.rawpixel.com/image/4033523/photo-image-flower-plant-beeFree Image from public domain licenseStansbury cliffrose (Purshia stansburiana)Credit NPS/Hallie Larsen. Original public domain image from Flickr https://www.rawpixel.com/image/4033533/photo-image-flower-tree-plantFree Image from public domain licenseSkunkbush immature berries (Rhus trilobata)Credit NPS/Hallie Larsen. Original public domain image from Flickr https://www.rawpixel.com/image/4033496/photo-image-flower-tree-plantFree Image from public domain licenseTansy Mustard (Descurainia sp)Credit NPS/Hallie Larsen. Original public domain image from Flickr https://www.rawpixel.com/image/4033699/photo-image-flower-plant-leafFree Image from public domain licenseScrambled eggs (Corydalis aurea)Credit NPS/Hallie Larsen. Original public domain image from Flickr https://www.rawpixel.com/image/4033536/photo-image-flower-plantFree Image from public domain licenseGladiator milkvetch flowers (Astragalus xiphoides)Credit NPS/Hallie Larsen. Original public domain image from Flickr https://www.rawpixel.com/image/4033529/photo-image-flower-tree-plantFree Image from public domain licenseBlue Mesa Member, Chinle FormationCredit NPS. Original public domain image from Flickr https://www.rawpixel.com/image/4033727/photo-image-nature-public-domainFree Image from public domain licenseBlue Mesa Trail HL (24)Blue Mesa Trail, Petrified Forest National Park. Credit NPS/Hallie Larsen. Original public domain… https://www.rawpixel.com/image/4033522/photo-image-nature-buildingFree Image from public domain licensePrince's plume (Stanleya pinnata)Credit NPS/Hallie Larsen. Original public domain image from Flickr https://www.rawpixel.com/image/4033498/photo-image-flower-plant-natureFree Image from public domain licenseRed bluet (Houstonia rubra)Credit NPS/Hallie Larsen. Original public domain image from Flickr https://www.rawpixel.com/image/4033500/photo-image-flower-plant-natureFree Image from public domain licenseLargeflower wild onion (Allium macropetalum)Credit NPS/Hallie Larsen. Original public domain image from Flickr https://www.rawpixel.com/image/4033502/photo-image-flower-plant-grassFree Image from public domain licenseLocated in the southeast corner of California, the Imperial Sand Dunes are the largest mass of sand dunes in the state.… https://www.rawpixel.com/image/422002/free-photo-image-deserts-dunes-sandFree Image from public domain license The colorful and active sign for Scotty's Restaurant in Scottsbluff, the principal city in the… https://www.rawpixel.com/image/8013025/photo-image-sky-neon-public-domainFree Image from public domain license A onetime one-shop service station and deli that is now a no-stop location outside the town of… https://www.rawpixel.com/image/8070373/photo-image-cloud-sky-roadFree Image from public domain licenseU.S. Sailors move an F/A-18E Super Hornet assigned to the Stingers of Strike Fighter Attack Squadron (VFA) 113 onto an… https://www.rawpixel.com/image/8741623/photo-image-airplane-public-domain-oceanFree Image from public domain licenseU.S. Navy Machinist’s Mate Fireman Shane Brooks climbs up a ladder leading from a shaft-alley aboard the aircraft carrier… https://www.rawpixel.com/image/8738751/photo-image-public-domain-windowFree Image from public domain license Part of the vast and rugged landscape of Theodore Roosevelt National Park, near Medora, in far… https://www.rawpixel.com/image/8071822/photo-image-public-domain-landscape-united-statesFree Image from public domain licenseAn AH-64D Apache Longbow attack helicopter, assigned to the 1st Battalion (Attack), 3rd Aviation Regiment, 12th Combat… https://www.rawpixel.com/image/8728455/photo-image-public-domain-helicopterFree Image from public domain licenseU.S. Service members stand at attention as Chairman of the Joint Chiefs of Staff Army Gen. Martin Dempsey invites Canadian… https://www.rawpixel.com/image/8742464/photo-image-public-domain-personFree 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 licensePetrified Grotto at the Calistoga Hotel, Napa County, Cal. by Carleton Watkins https://www.rawpixel.com/image/14309852/petrified-grotto-the-calistoga-hotel-napa-county-cal-carleton-watkinsFree Image from public domain licenseTetradymia canescens Spineless horsebrushCredit NPS/Hallie Larsen. Original public domain image from Flickr https://www.rawpixel.com/image/4033703/photo-image-flower-plant-beeFree Image from public domain licenseSonsela Member overlooking Blue Mesa MemberCredit NPS-Stuart Holmes. Original public domain image from Flickr https://www.rawpixel.com/image/4033724/photo-image-nature-mountain-waterFree Image from public domain licenseGrubes Wilderness Loop Hike (6) Credit NPS. Original public domain image from Flickr https://www.rawpixel.com/image/4036417/photo-image-person-natureFree Image from public domain licenseWind turbines in the California desert. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/422020/free-photo-image-desert-sunset-generation-carol-highsmithFree Image from public domain licenseWind turbines in the California desert. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/422029/free-photo-image-windmill-solar-desertFree Image from public domain licenseU.S. Navy Aviation Boatswain’s Mate (Fuel) Airman Shelby Dugan, from Phoenix, inspects fuel for debris aboard the aircraft… https://www.rawpixel.com/image/8738936/photo-image-public-domain-glassesFree Image from public domain license A mountain sheep ram knows he has little to fear from hunters (or park visitors) in Theodore… https://www.rawpixel.com/image/8043032/photo-image-mountain-public-domain-united-statesFree Image from public domain licenseHigh-country stream and cottonwoods in rugged north-central Wyoming's rugged Big Horn County. Original image from Carol M.… https://www.rawpixel.com/image/434637/free-photo-image-river-water-forestFree Image from public domain license Pigeons take flight at the Bailey Yards, as of 2022 the world's largest train classification yard… https://www.rawpixel.com/image/8043695/photo-image-public-domain-united-states-trainFree Image from public domain license The welcome sign to Ogallala, a small city in southwest Nebraska that was once on the Oregon Trail… https://www.rawpixel.com/image/8043975/photo-image-cloud-face-personFree Image from public domain license The old White Horse Bar, part of the 1929 Pawnee Hotel (originally the Yancy Hotel) in North Platte… https://www.rawpixel.com/image/8039540/photo-image-horse-public-domain-restaurantFree Image from public domain license Front Street, a manufactured Old West-style street of shops in Ogallala, a small city in southwest… https://www.rawpixel.com/image/8043793/photo-image-cloud-wood-skyFree Image from public domain license Marquee of the Fox Theatre, a 1929-vintage movie theater now (as of 2022) a remodeled performing… https://www.rawpixel.com/image/8064298/photo-image-arts-sky-vintageFree Image from public domain license A crude grave marker at a very real Boot Hill (not the tourist-attraction variety of some U.S.… https://www.rawpixel.com/image/8071275/photo-image-public-domain-city-lineFree Image from public domain license A string of diesel freight engines at the Bailey Yards, as of 2022 the world's largest train… https://www.rawpixel.com/image/8068622/photo-image-public-domain-united-states-trainFree Image from public domain licenseU.S. Navy Airman Dennis Martinovich watches the sunset on the flight deck aboard the aircraft carrier USS Theodore Roosevelt… https://www.rawpixel.com/image/8728150/photo-image-light-sunset-skyFree Image from public domain licenseA U.S. Navy T-45C Goshawk aircraft assigned to Training Air Wing (TW) 2 performs a touch-and-go landing aboard the aircraft… https://www.rawpixel.com/image/8728344/photo-image-airplane-public-domain-oceanFree Image from public domain licenseA U.S. Navy F/A-18E Super Hornet assigned to Strike Fighter Attack Squadron (VFA) 113 prepares to take off from the aircraft… https://www.rawpixel.com/image/8741596/photo-image-airplane-public-domain-oceanFree Image from public domain license[Untitled photo, possibly related to: Desert scene along the Apache Trail. Gila County, Arizona] by Russell Lee https://www.rawpixel.com/image/12149722/image-cloud-plant-artFree Image from public domain licenseLate afternoon clouds over the desert. Apache County near Springerville, Arizona by Russell Lee https://www.rawpixel.com/image/12149709/image-cloud-frame-artFree Image from public domain licenseSpringerville (vicinity), Apache County, Arizona. Valley floor of the Little Colorado River by Russell Lee https://www.rawpixel.com/image/12150080/image-cloud-art-skyFree Image from public domain licenseA U.S. Army AH-64 Apache helicopter assigned to the 1st Stryker Brigade Combat Team, 4th Infantry Division flies over an… https://www.rawpixel.com/image/8728004/photo-image-public-domain-united-statesFree Image from public domain licenseDistant view of the Kilpecker sand dunes and the forbidding Sweetwater County high-plains terrain in Wyoming. https://www.rawpixel.com/image/582720/carol-highsmiths-wyoming-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 licenseA blooming cactus in Purgatoire Canyon, a spectacular rocky gorge in the middle of an otherwise flat prairie at JE Canyon… https://www.rawpixel.com/image/434499/free-photo-image-america-americas-public-domain-bloomingFree Image from public domain licenseJuniper (Juniperus sp)Credit NPS/Hallie Larsen. Original public domain image from Flickr https://www.rawpixel.com/image/4033729/photo-image-tree-plant-natureFree Image from public domain licenseWhipple Point RainbowCredit NPS/Hallie Larsen. Original public domain image from Flickr https://www.rawpixel.com/image/4033918/photo-image-art-stars-rainbowFree 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 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 license The chef is gone, and so is the restaurant that this sign advertises is gone outside the town of… https://www.rawpixel.com/image/8041098/photo-image-person-sky-roadFree Image from public domain licenseBarn and farmstead near Savery in Carbon County, Wyoming, a stone's throw from the Colorado border. Original image from… https://www.rawpixel.com/image/582772/carol-highsmiths-wyoming-photographFree Image from public domain license View of the Sandia Mountains and the New Mexico desert, near Bernalillo, above Albuquerque … https://www.rawpixel.com/image/8033074/photo-image-mountains-public-domain-united-statesFree Image from public domain licenseDinosaur at the Ginkgo Gem Shop in Vantage, Washington. Original image from Carol M. Highsmith’s America, Library of… https://www.rawpixel.com/image/3091632/free-photo-image-america-carol-highsmithFree Image from public domain licenseU.S. Sailors man the rails as the aircraft carrier USS Theodore Roosevelt (CVN 71) pulls into Joint Base Pearl Harbor-Hickam… https://www.rawpixel.com/image/8728443/photo-image-airplane-public-domain-personFree Image from public domain licenseCourtyard and fountain at the Arizona Inn, a venerable hostelry in Tucson, Arizona. Original image from Carol M.… https://www.rawpixel.com/image/582252/carol-highsmiths-arizona-photographFree Image from public domain licenseDownpour during a thunderstorm on the plains, near Tucson, Arizona. Original image from Carol M. Highsmith’s America… https://www.rawpixel.com/image/582314/carol-highsmiths-arizona-photographFree Image from public domain licenseBrightly landscaped home in Tempe, Arizona. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/582434/carol-highsmiths-arizona-photographFree Image from public domain license2019 Fortune-State Department Mentoring Partnership, Washington D.C, USA, March 26, 2019. https://www.rawpixel.com/image/6200685/photo-image-public-domain-people-womenFree Image from public domain licenseRainbow across a dirt road near the settlement of Antares in northwestern Arizona. Original image from Carol M.… https://www.rawpixel.com/image/582452/carol-highsmiths-arizona-photographFree Image from public domain licenseSpray ponds at Palo Verde Nuclear Generating Station, near Tonopah, Arizona, 50 miles west of Phoenix, serve as a backup… https://www.rawpixel.com/image/582400/carol-highsmiths-arizona-photographFree Image from public domain licenseThe Palo Verde Nuclear Generating Station, near Tonopah, Arizona, 50 miles west of Phoenix, serve as a backup cooling source… https://www.rawpixel.com/image/582371/carol-highsmiths-arizona-photographFree Image from public domain licenseNorthern California. Old Mammoth Road. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/434180/free-photo-image-forest-trees-carol-highsmithFree Image from public domain licenseGrassland RainbowCredit NPS/Hallie Larsen. Original public domain image from Flickr https://www.rawpixel.com/image/4033723/photo-image-cloud-stars-summerFree 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 licenseThe Agave branch of the Phoenix Public Library in Phoenix, Arizona. Original image from Carol M. Highsmith’s America… https://www.rawpixel.com/image/582395/carol-highsmiths-arizona-photographFree Image from public domain licenseArtwork on water towers along a remote Arizona road leading to Monument Valley Navajo Tribal Park, a red-sand desert region… https://www.rawpixel.com/image/582239/carol-highsmiths-arizona-photographFree Image from public domain licenseCreative "diver" neon sign at the old Starlight Motel in Mesa, a small Arizona city that became one of sprawling Phoenix's… https://www.rawpixel.com/image/582406/carol-highsmiths-arizona-photographFree Image from public domain licenseThe Superstition Mountains, a condensed chain of peaks near Tortilla Flat, Ariizona, east of Phoenix, are a designated… https://www.rawpixel.com/image/582383/carol-highsmiths-arizona-photographFree Image from public domain licenseSubtle light and shadows fall on an old-style switchboard (salvaged from another classic hotel in town) in Tucson… https://www.rawpixel.com/image/582412/carol-highsmiths-arizona-photographFree Image from public domain licenseBougainvillea explode with color outside this Tucson, Arizona, cottage, which, like many modest homes in town, turn mundane… https://www.rawpixel.com/image/582428/carol-highsmiths-arizona-photographFree Image from public domain licenseView of the mountains east of Phoenix from McDowell Mountain Regional Park. Original image from Carol M. Highsmith’s… https://www.rawpixel.com/image/582413/carol-highsmiths-arizona-photographFree Image from public domain licenseVivid reflections from a spectacular sunset highlight a passing freight train near Peach Springs, Arizona. Original image… https://www.rawpixel.com/image/582447/carol-highsmiths-arizona-photographFree Image from public domain licenseCotton field near Safford in eastern Arizona. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/582279/carol-highsmiths-arizona-photographFree Image from public domain licenseThe “sheriff” of Old Tombstone, now an Old West tourist attraction in southeastern Arizona. Original image from… https://www.rawpixel.com/image/582345/carol-highsmiths-arizona-photographFree Image from public domain licenseCamelback Mountain, an iconic natural attraction of the Phoenix, Arizona, “Valley of the Sun,” as seen from… https://www.rawpixel.com/image/582237/carol-highsmiths-arizona-photographFree Image from public domain licenseSpectacular rainbow outside the settlement of Humbolt-Dewey, near Prescott in Central Arizona. Original image from Carol M.… https://www.rawpixel.com/image/582352/carol-highsmiths-arizona-photographFree Image from public domain licenseAn elegant, modernist home’s view of the Phoenix Area’s “Valley of the Sun,” accented by an… https://www.rawpixel.com/image/582308/carol-highsmiths-arizona-photographFree Image from public domain licenseA portion of the in the “Granite Dells” — exposed bedrock of estimated-1.4-billion-year-old igneous-rock… https://www.rawpixel.com/image/582236/carol-highsmiths-arizona-photographFree Image from public domain licenseBurning slash pile on the Bureau of Land Management's Trout Springs Prescribed Fire in southwest Idaho. (DOI/Neal Herbert).… https://www.rawpixel.com/image/4031118/photo-image-background-tree-fireFree Image from public domain license