Lowland Gorilla (2002) by Jessie Cohen. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060636/free-photo-image-gorilla-animal-natureFree Image from public domain licenseDunloup Falls near the largely abandoned old coal town of Thurmond in Fayette County, West Virginia. Original image from… https://www.rawpixel.com/image/434372/small-water-fallFree Image from public domain licenseA red fox prowls for voles, hidden beneath the snow, in Yellowstone National Park in the western U.S. state of Wyoming.… https://www.rawpixel.com/image/422046/fox-the-snowFree Image from public domain licenseThis enhanced color view of Jupiter's south pole was created using data from the JunoCam instrument on NASA's Juno… https://www.rawpixel.com/image/440596/jupiters-south-poleFree Image from public domain licenseKENNEDY SPACE CENTER, FLA. the fog on Launch Pad 39B is pierced by lights on vehicles and the service structures as Space… https://www.rawpixel.com/image/440867/rocket-launchFree Image from public domain licenseAutumn in New England's Barnet, Vermont. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/421815/autumn-new-englands-barnetFree Image from public domain licenseWind farms in Franklin County, Iowa. Original image from Carol M. Highsmith’s America, Library of Congress collection.… https://www.rawpixel.com/image/434537/wind-farmsFree Image from public domain licenseHigh school route boys. Adolescents. Some in back row have been newsboys for seven, eight, and nine years. New Haven, Conn… https://www.rawpixel.com/image/8765585/photo-image-face-vintage-kidFree Image from public domain licenseClassic Kansas field of waving wheat. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/433972/wheat-fieldFree Image from public domain licenseTwo of the helpers in the Tifton Cotton Mill. They work regularly. Tifton, Ga, January 1909. Photographer: Hine, Lewis.… https://www.rawpixel.com/image/8765582/photo-image-face-vintage-public-domainFree Image from public domain license[Untitled photo, possibly related to: Men spiking logs to go up ramp into sawmill. It was working only halftime and was even… https://www.rawpixel.com/image/12108979/image-person-art-vintageFree Image from public domain licenseAloe from the Lady Bird Johnson Wildflower Center, part of the University of Texas at Austin. Original image from Carol M.… https://www.rawpixel.com/image/434244/aloeFree Image from public domain licenseIvey Mill. Little one, 3 years old, who visits and plays in the mill. Daughter of the overseer. Hickory, N.C, November 1908.… https://www.rawpixel.com/image/8765586/photo-image-vintage-public-domain-kidFree Image from public domain licenseShe was working steadily whe the investigator found her. The mills seem full of youngsters who just happened in or are… https://www.rawpixel.com/image/8765584/photo-image-vintage-public-domain-kidFree Image from public domain licenseFree autumn foliage border background photo, public domain nature CC0 image. https://www.rawpixel.com/image/5922345/photo-image-background-public-domain-leafFree Image from public domain licenseSadie Pfeifer, 48 inches high. Has worked half a year. One of the many small children at work in Lancaster Cotton Mills… https://www.rawpixel.com/image/8765587/photo-image-vintage-public-domainFree Image from public domain licenseA.D.T. Messenger Boy. 10 P.M. Indianapolis, Ind, August 1908. Photographer: Hine, Lewis. Original public domain image from… https://www.rawpixel.com/image/8765578/photo-image-vintage-kidFree Image from public domain licenseBoy carrying hats. New York City, February 1912. Original public domain image from Flickr https://www.rawpixel.com/image/8799577/photo-image-vintage-public-domain-peopleFree Image from public domain licenseSenior Airman Eusaybia Parker wears her M50 gas mask during an ability to survive and operate training class on Joint Base… https://www.rawpixel.com/image/3578308/free-photo-image-108th-wing-air-force-national-guardFree Image from public domain licenseFire ant worker, Solenopsis invicta. Original public domain image from Flickr https://www.rawpixel.com/image/8814429/photo-image-eyes-public-domain-portraitFree Image from public domain licenseNASA's highly modified F-15A (Serial #71-0287). Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/439986/nasas-highly-modified-f-15aFree Image from public domain licenseFree golden retriever dog wearing glasses image, public domain animal CC0 photo. https://www.rawpixel.com/image/5925966/photo-image-background-face-whiteFree Image from public domain licenseGirls waiting for Episcopal Church to end so they can see the processional, South Side of Chicago, Illinois by Russell Lee https://www.rawpixel.com/image/12109046/image-person-art-vintageFree Image from public domain licensePeople on one of the rides on amusement row at the Labor Day celebration, Silverton, Colorado by Russell Lee https://www.rawpixel.com/image/12109238/image-person-art-skyFree Image from public domain licenseA little spinner in the Globe Cotton Mill. The overseer admitted she was regularly employed there. Augusta, Ga, January… https://www.rawpixel.com/image/8765924/photo-image-face-vintage-kidFree Image from public domain licenseLaura Petty, a 6 year old berry picker on Jenkins Farm. "I'm just beginnin'. Licked two boxes yesterday," June 1909.… https://www.rawpixel.com/image/8765580/photo-image-vintage-kid-portraitFree Image from public domain licenseModel of a Tyrannosaurus Rex, 1936. Photographer: Hine, Lewis. Original public domain image from Flickr https://www.rawpixel.com/image/8765818/photo-image-vintage-people-new-yorkFree Image from public domain license[Untitled photo, possibly related to: Workmen at Umatilla Ordnance Depot at beer party given by contractor in celebration of… https://www.rawpixel.com/image/12109083/image-background-person-artFree Image from public domain licenseJ & P. Coats Best Six Cord, 200 yds, 50 (1870–1900) chromolithograph art. Original public domain image from Digital… https://www.rawpixel.com/image/10184789/image-dog-face-personFree Image from public domain licenseThe Clark Telescope, built in 1896 at Lowell Observatory in Flagstaff, Arizona. https://www.rawpixel.com/image/582283/carol-highsmiths-arizona-photographFree Image from public domain licenseFighting fire of rice straw stack in rice field near Crowley, Louisiana by Russell Lee https://www.rawpixel.com/image/12108027/image-face-plant-personFree Image from public domain licenseKiwi. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3370126/free-photo-image-macro-photography-macro-fruit-agricultureFree Image from public domain licenseFree Laser Scientific Optical System photo, public domain deviceCC0 image. https://www.rawpixel.com/image/5925557/photo-image-public-domain-technology-freeFree Image from public domain licenseAmerican Negro nurses, commissioned second lieutenants in the U.S. Army Nurses Corps, limber up their muscles in an early… https://www.rawpixel.com/image/8765678/photo-image-vintage-women-personFree Image from public domain licenseOne of L.H. Nissen's children in rocking chair. Nissen shack near Dickens, Iowa. Nissen is a hired man by Russell Lee https://www.rawpixel.com/image/12107714/image-person-art-vintageFree Image from public domain licenseArctic Regions: Hunting by Steam in Melville Bay, The Party after a Day's Sport Killing Six Polar Bears within the Twenty… https://www.rawpixel.com/image/8846484/image-steam-art-vintageFree Image from public domain license[Untitled photo, possibly related to: Two children of John Scott, a hired man living near Ringgold, Iowa] by Russell Lee https://www.rawpixel.com/image/12108049/image-face-hand-peopleFree Image from public domain license Aerial view of the enormous, guitar-shaped Seminole Hard Rock Hotel & Casino in Hollywood, Florida… https://www.rawpixel.com/image/8058182/photo-image-cloud-plant-treeFree Image from public domain licenseLa Forge Farms, Missouri. Hats and an umbrella in a school for s near the FSA (Farm Security Administration) project for the… https://www.rawpixel.com/image/12107702/image-art-vintage-public-domainFree Image from public domain licenseGreek Bee. Here is a common late summer species of the Grecian Isles (Icteranthidium grohmanni). Often found on flowering… https://www.rawpixel.com/image/4042573/photo-image-face-background-beeFree Image from public domain licenseGracie Clark, Spinner, with Her Family, Huntsville, Alabama by Lewis W Hine https://www.rawpixel.com/image/14263573/gracie-clark-spinner-with-her-family-huntsville-alabama-lewis-hineFree Image from public domain licenseFree Japanese traditional green tea with dessert image, public domain food CC0 photo. https://www.rawpixel.com/image/5915193/image-background-public-domain-greenFree Image from public domain licenseA bishop wearing spectacles and a monk reading a book. Reproduction of a painting after Pisanello. https://www.rawpixel.com/image/13952425/image-face-person-bookFree Image from public domain licenseA typical fisher boy at T Wharf. Boston, Mass, October 1909. Photographer: Hine, Lewis. Original public domain image from… https://www.rawpixel.com/image/8765811/photo-image-vintage-kid-foodFree Image from public domain licenseCloseup of cutter's hands (cutting cloth), Jersey Homesteads, Hightstown, New Jersey by Russell Lee https://www.rawpixel.com/image/12108059/image-dog-hand-personFree Image from public domain licenseA basket factory. Girls making melon baskets. Evansville, Ind, October 1908. Photographer: Hine, Lewis. Original public… https://www.rawpixel.com/image/8765581/photo-image-vintage-kidFree Image from public domain licenseFood storage plant. Jig for making food storage gable ends and trusses. Southeast Missouri Farms Project by Russell Lee https://www.rawpixel.com/image/12107704/image-background-plant-personFree Image from public domain licenseFree minimal dining table image, public domain interior CC0 photo. https://www.rawpixel.com/image/5915223/photo-image-background-public-domain-minimalFree Image from public domain licensePseudomyrmex filiformis. Portrait of a queen twig ant. Original public domain image from Flickr https://www.rawpixel.com/image/8814428/photo-image-face-public-domain-portraitFree Image from public domain licensePortraits of Giuliano and Francesco Giamberti da Sangallo (1482 - 1485) by Piero di Cosimo https://www.rawpixel.com/image/13741859/image-face-person-artFree Image from public domain licensePouring mercury from small tube into pen which contains flour gold mixed with the natural dirt. Process for removing this… https://www.rawpixel.com/image/12108073/image-hand-person-artFree Image from public domain license