Rafters on Clear Creek, outside Idaho Falls, Colorado - Original image from Carol M. Highsmith’s America, Library of… https://www.rawpixel.com/image/434643/free-photo-image-rafting-forest-kayakFree Image from public domain licenseSlot Canyons. Gently carved from the Navajo sandstone over the course of countless millenniums. Original image from Carol M.… https://www.rawpixel.com/image/421720/slot-canyonsFree Image from public domain licenseBeginning in the high country of Yosemite National Park, the Merced River makes a headlong rush through glacially-carved… https://www.rawpixel.com/image/3398365/free-photo-image-waterfall-animal-birdFree Image from public domain licenseBeginning in the high country of Yosemite National Park, the Merced River makes a headlong rush through glacially-carved… https://www.rawpixel.com/image/3398330/free-photo-image-blossom-california-campfireFree Image from public domain licenseBeginning in the high country of Yosemite National Park, the Merced River makes a headlong rush through glacially-carved… https://www.rawpixel.com/image/3398366/free-photo-image-animal-bird-californiaFree Image from public domain licenseNatural Bridge, From Above, La Prêle Canyon, Wyoming by William Henry Jackson https://www.rawpixel.com/image/14279437/natural-bridge-from-above-prele-canyon-wyoming-william-henry-jacksonFree Image from public domain licenseFormations in the "Cave Without a Name," located near Boerne in Kendall County, Texas. https://www.rawpixel.com/image/582669/carol-highsmiths-texas-photographFree Image from public domain licenseAlpine lake above the Crystal River Valley town of Marble, Colorado - Original image from Carol M. Highsmith’s… https://www.rawpixel.com/image/434644/free-photo-image-landscape-lake-riverFree Image from public domain licenseThis is forbidding Havasu Canyon, an offshoot of Grand Canyon National Park but on lands administered by the Havasupai… https://www.rawpixel.com/image/582432/carol-highsmiths-arizona-photographFree Image from public domain licenseSanta Elena Canyon at Big Bend National Park, United States https://www.rawpixel.com/image/426948/free-photo-image-texas-desert-mountainView licenseA mountain biker tests a rugged path amid the rock formations in Palo Duro Canyon State Park in the Texas Panhandle.… https://www.rawpixel.com/image/582637/carol-highsmiths-texas-photographFree Image from public domain licenseRam in Gardner Canyon by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038736/photo-image-animal-public-domainFree Image from public domain licenseBuffalo on the move in Yellowstone National Park, Wyoming. Original image from Carol M. Highsmith’s America, Library… https://www.rawpixel.com/image/3093668/free-photo-image-america-animal-beautifulFree Image from public domain licenseDutch-style windmills constructed to keep sandy Golden Gate Park's fragile foliage green. Original image from Carol M.… https://www.rawpixel.com/image/433934/free-photo-image-windmill-usa-americaFree Image from public domain licenseCloudy sunset from Artist Point. Original public domain image from Flickr https://www.rawpixel.com/image/4032533/photo-image-background-summer-natureFree Image from public domain licenseThe Thames river, London: a cross-section of the first tunnel under the river, shipping in the river, and Rotherhithe… https://www.rawpixel.com/image/14014213/image-cartoon-person-crossFree Image from public domain licenseChristmas Creek, Otago Central Railway (circa 1890) by Burton Brothers. https://www.rawpixel.com/image/13029308/christmas-creek-otago-central-railway-circa-1890-burton-brothersFree Image from public domain licenseRiver otter walks along the bank of Lamar River by Josh Spice. Original public domain image from Flickr https://www.rawpixel.com/image/4038171/photo-image-animal-public-domainFree Image from public domain licenseA purple raft is the only unnatural element near a travertine pool above Fifty-Foot Falls, one of five Havasupai Falls deep… https://www.rawpixel.com/image/582244/carol-highsmiths-arizona-photographFree Image from public domain licenseWide shot of 40x 80 wind tunnel settling chamber with Lockheed XFV-1 model. Project engineer Mark Kelly (not shown). Remote… https://www.rawpixel.com/image/441392/free-photo-image-engineers-electrical-project-people-aeronauticsFree Image from public domain licenseOminous clouds above Pine Bluffs, a small farming community on the Nebraska border in Laramie County, Wyoming. Original… https://www.rawpixel.com/image/582780/carol-highsmiths-wyoming-photographFree Image from public domain licenseA massive container ship plies the Savannah River in Savannah, Georgia. Original image from Carol M. Highsmith’s… https://www.rawpixel.com/image/434575/massive-container-shipFree Image from public domain licenseFalls of the Chocorua River in the unincorporated community of Chocorua, part of Tamworth, New Hampshire. Original image… https://www.rawpixel.com/image/434638/free-photo-image-trees-river-water-fallFree Image from public domain licenseRafters on the Trinity River in California. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/434189/free-photo-image-river-america-americas-public-domainFree Image from public domain licenseBoeing SST Model Mounted in Ames 40x80 Foot Wind Tunnel, overhead view. May 31st,1965. Original from NASA. Digitally… https://www.rawpixel.com/image/441688/free-photo-image-nasa-aerial-aircraftFree Image from public domain licenseSupersonic Transport Model in the shop of the Ames 40x80 Foot Wind Tunnel, Apr 6th,1961. Original from NASA. Digitally… https://www.rawpixel.com/image/441635/free-photo-image-aircraft-nasa-aerial-viewFree Image from public domain licenseFour Engine USB Model in the 40x80 foot Wind Tunnel. Large-Scale Upper-Surface Blowing Model using JT15D Engines. Test #441… https://www.rawpixel.com/image/441384/free-photo-image-army-military-transportFree Image from public domain licenseSailboats on Lake Mendota, one of two large lakes that residents of Madison, Wisconsin. Original image from Carol M.… https://www.rawpixel.com/image/422059/free-photo-image-wisconsin-carol-highsmith-shorelineFree Image from public domain licenseThe Wyoming Territorial Prison. Original image from Carol M. Highsmith’s America, Library of Congress collection.… https://www.rawpixel.com/image/3093672/free-photo-image-america-architecture-blue-skyFree Image from public domain licenseHorseshoe Bend Grand Canyon, Arizona. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3301767/free-photo-image-southwest-horseshoe-bend-aerial-viewFree Image from public domain licenseBeginning in the high country of Yosemite National Park, the Merced River makes a headlong rush through glacially-carved… https://www.rawpixel.com/image/3398361/free-photo-image-bog-california-campfireFree Image from public domain licenseA highlight of the "Texas" outdoor musical drama, staged in the Pioneer Amphitheater carved from the rocks of Palo Duro… https://www.rawpixel.com/image/582675/carol-highsmiths-texas-photographFree Image from public domain licenseSunset timelapse from Artist Point. Original public domain image from Flickr https://www.rawpixel.com/image/4032671/photo-image-face-background-phoneFree Image from public domain licenseAvrocar Test in Ames 40x80 Foot Wind Tunnel. Rear view of the Avrocar with tail, mounted on variable height struts. Overhead… https://www.rawpixel.com/image/441549/free-photo-image-aircraft-nasa-photographyFree Image from public domain licenseFront 3/4 view of the Avrocar, Apr 2nd, 1961. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/441616/free-photo-image-aeronautics-aircraft-carrierFree Image from public domain licenseCommon goldeneyes on Lamar River by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038493/photo-image-bird-animalFree Image from public domain licenseMAY 18 Landscape in the Virgin River Canyon Recreation AreaLittlefield, AZ - MAY 18: The Virgin River flows through the… https://www.rawpixel.com/image/9653794/photo-image-mountain-public-domain-natureFree Image from public domain licenseAutumn along the Robbins Branch creek, a tributary of the White River near Ripton, Vermont. Original image from Carol M.… https://www.rawpixel.com/image/434621/free-photo-image-forest-creek-carol-highsmithtreeFree Image from public domain licenseBoston View. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally enhanced by… https://www.rawpixel.com/image/421830/free-photo-image-boston-carol-highsmith-urbanFree Image from public domain licenseRyan VZ-3 Vertiplane #92, 1958. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/441455/free-photo-image-aeronautics-aircraft-carrierFree Image from public domain licenseAerial view of a portion the water and surroundings of Lake Mead, created by the construction of nearby Hoover Dam, which… https://www.rawpixel.com/image/582338/carol-highsmiths-arizona-photographFree Image from public domain licenseAerial view of a portion the water and surroundings of Lake Mead, created by the construction of nearby Hoover Dam, which… https://www.rawpixel.com/image/582448/carol-highsmiths-arizona-photographFree Image from public domain licenseKuilenburgse spoorbrug over de Lek (1868 - 1885) by Pieter Oosterhuis https://www.rawpixel.com/image/13756536/kuilenburgse-spoorbrug-over-lek-1868-1885-pieter-oosterhuisFree Image from public domain licenseDC-9 V/STOL Transport Model in the 40x80 Foot Wind Tunnel, Apr 28th, 1971. Original from NASA. Digitally enhanced by… https://www.rawpixel.com/image/441382/free-photo-image-yellow-aeronautics-aircraftFree Image from public domain licenseHypersonic Transport Model. High 3/4 top front view of model in Ames 40x80 foot wind tunnel. Bob Bishop in lower right.… https://www.rawpixel.com/image/441682/free-photo-image-airplane-nasa-aerodynamicsFree Image from public domain licensePete’s, a vintage gas station in Williams, Arizona, a town of just 3,000 or so residents but a well-known place among… https://www.rawpixel.com/image/582410/carol-highsmiths-arizona-photographFree Image from public domain licenseA bighorn sheep in Colorado National Monument, a preserve of vast plateaus, canyons, and towering monoliths in Mesa County… https://www.rawpixel.com/image/434320/free-photo-image-ram-sheep-mountain-animalFree Image from public domain licenseA bighorn sheep in Colorado National Monument, a preserve of vast plateaus, canyons, and towering monoliths in Mesa County… https://www.rawpixel.com/image/434316/free-photo-image-sheep-ram-carol-highsmithFree Image from public domain licenseGuntersville is a city in Marshall County, Alabama, United States and is included in the Huntsville-Decatur Combined… https://www.rawpixel.com/image/433829/guntersville-portFree Image from public domain licenseCowboy Joe the pony mascot at a University of Wyoming Cowboys' football home game in Laramie. Original image from Carol M.… https://www.rawpixel.com/image/3092220/free-photo-image-america-carol-highsmithFree Image from public domain licenseA beautiful sunset in rural Goshen County, Wyoming, near Guernsey. Original image from Carol M. Highsmith’s America… https://www.rawpixel.com/image/582793/carol-highsmiths-wyoming-photographFree Image from public domain licenseMarker at a humble “cowboy cemetery” near Riverside, Wyoming. Original image from Carol M. Highsmith’s… https://www.rawpixel.com/image/582717/carol-highsmiths-wyoming-photographFree Image from public domain licenseBackpackers cross an unnamed stream near Little Cottonwood Creek by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4225749/photo-image-public-domain-people-womanFree Image from public domain licenseAnsel Adams The Tetons and the Snake River (1942) Grand Teton National Park, Wyoming. National Archives and Records… https://www.rawpixel.com/image/8717945/photo-image-vintage-tree-public-domainFree Image from public domain licenseDinosaur National Monument Monarch Survey. A well deserved rest for the boatsmen. NPS Photo/M.Reed. Original public domain… https://www.rawpixel.com/image/4036990/photo-image-people-nature-mountainFree 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 licenseA dirt road winds through a sea of high plains yellow sundrops on the Laramie Plain, a vast grassland south of Laramie… https://www.rawpixel.com/image/434332/free-photo-image-field-cloud-skyFree Image from public domain licenseColorful Ferris wheel at dusk at the Wyoming State Fair in Douglas. Original image from Carol M. Highsmith’s America… https://www.rawpixel.com/image/434360/free-photo-image-fair-ferris-wheel-wyomingFree Image from public domain licenseA sunset over the sagebrush in Sweetwater County, Wyoming. Original image from Carol M. Highsmith’s America, Library… https://www.rawpixel.com/image/434428/free-photo-image-sky-america-americas-public-domainFree Image from public domain licenseA bighorn sheep in Colorado National Monument, a preserve of vast plateaus, canyons, and towering monoliths in Mesa County… https://www.rawpixel.com/image/434313/free-photo-image-ram-horns-bighorn-sheepFree Image from public domain licenseBlacksmith shop at Kirkwood Ranch on the Snake River, Hells Canyon, Idaho (1980-2006) by Carol M. Highsmith. Original image… https://www.rawpixel.com/image/591517/carol-highsmiths-idaho-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 licenseCrude kitchen at Kirkwood Ranch on the Snake River, Hells Canyon, Idaho (1980-2006) by Carol M. Highsmith. Original image… https://www.rawpixel.com/image/591513/carol-highsmiths-idaho-photographFree Image from public domain licenseView of spectacular Monument Valley, one of the most-photographed scenic locations in Arizona, on Navajo lands east of the… https://www.rawpixel.com/image/582393/carol-highsmiths-arizona-photographFree Image from public domain licenseGlenfinnan Viaduct railway in Inverness-shire, Scotland https://www.rawpixel.com/image/1077820/glenfinnan-viaduct-scotlandView licenseOne of five different sets of waterfalls in Arizona’s Havasu Canyon, an offshoot of Grand Canyon National Park but on… https://www.rawpixel.com/image/582292/carol-highsmiths-arizona-photographFree Image from public domain licenseArizona's Grand Canyon Watch Tower. Old Mammoth Road. Original image from Carol M. Highsmith’s America, Library of… https://www.rawpixel.com/image/433909/free-photo-image-tower-carol-highsmith-desertFree Image from public domain licenseUtah's Red Canyon. Old Mammoth Road. Original image from Carol M. Highsmith’s America, Library of Congress collection.… https://www.rawpixel.com/image/433890/free-photo-image-tourism-desert-canyonFree Image from public domain licenseView of the Grand Canyon from the South Rim. Old Mammoth Road. Original image from Carol M. Highsmith’s America… https://www.rawpixel.com/image/433949/free-photo-image-grand-canyon-grand-canyon-national-park-tourismFree Image from public domain licenseGrand Canyon, Arizona. Old Mammoth Road. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/433853/free-photo-image-grand-canyon-grand-canyon-national-park-americaFree Image from public domain licenseSupersonic Transport Model mounted in the Ames 40x80 Foot Wind Tunnel. SCAT-15F supersonic transport model, lower 3/4 front… https://www.rawpixel.com/image/441674/free-photo-image-plane-tunnel-aerodynamicsFree Image from public domain licenseSCAT-16; Variable Sweep Model in 40x80 Wind Tunnel at NASA Ames. 3/4 view of model in cruise configuration with 25 deg.… https://www.rawpixel.com/image/441673/free-photo-image-research-nasa-aircraftFree Image from public domain licenseFixed Wing Supersonic Transport in Ames 40x80 Foot Wind Tunnel. 3/4 front view of Fixed Wing SST - Lockheed SST on Ground… https://www.rawpixel.com/image/441617/free-photo-image-plane-photography-nasaFree Image from public domain license Wintertime aerial view of Minnesota's famous "Twin Cities" of Minneapolis and St. Paul, including… https://www.rawpixel.com/image/8069777/photo-image-cloud-sky-oceanFree Image from public domain licenseGlenfinnan Viaduct railway in Inverness-shire, Scotland https://www.rawpixel.com/image/1077830/glenfinnan-viaduct-scotlandView licenseExterior architectural detail on the Panhandle-Plains Historical Museum on the campus of West Texas A&M University in… https://www.rawpixel.com/image/582604/carol-highsmiths-texas-photographFree Image from public domain licenseBlack Canyon, Colorado River, Looking Above from Mirror Bar. Original from the Minneapolis Institute of Art. https://www.rawpixel.com/image/7651413/photo-image-vintage-art-public-domainFree Image from public domain licenseHorses graze in the pasture at the A Bar A guest ranch, near Riverside, Wyoming. Original image from Carol M.… https://www.rawpixel.com/image/582782/carol-highsmiths-wyoming-photographFree Image from public domain licenseA dirt road winds through a sea of yellow sundrops on the Laramie Plain, a vast grassland south of Laramie, Wyoming.… https://www.rawpixel.com/image/582736/carol-highsmiths-wyoming-photographFree Image from public domain licenseBenjy Duke is not only a devoted angler, down to the point of meticulously tying his own flies. https://www.rawpixel.com/image/582742/carol-highsmiths-wyoming-photographFree Image from public domain licenseA creative, even nostalgic, ranch entrance sign near the hamlet of Farson in Sweetwater County, Wyoming. Original image from… https://www.rawpixel.com/image/582789/carol-highsmiths-wyoming-photographFree Image from public domain licenseA dirt road through grassland at the Big Creek cattle ranch near Riverside in Carbon County, Wyoming. Original image from… https://www.rawpixel.com/image/582753/carol-highsmiths-wyoming-photographFree Image from public domain licenseView at the A Bar A guest ranch, near Riverside in Carbon County, Wyoming. Original image from Carol M. Highsmith’s… https://www.rawpixel.com/image/582711/carol-highsmiths-wyoming-photographFree Image from public domain license