Jumping a hurdle, saddle, clearing, landing, and recovering, bay horse. From a portfolio of 83 collotypes, 1887, by Edweard… https://www.rawpixel.com/image/7655002/photo-image-vintage-art-public-domainFree Image from public domain licenseFree golden retriever puppy sitting together image, public domain animal CC0 photo. https://www.rawpixel.com/image/5926065/photo-image-background-public-domain-dogFree Image from public domain licenseCosmic explorer through the universe. Original from Official SpaceX Photos. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2229784/outer-space-explorationFree Image from public domain licenseBeautiful photomechanical prints of Lotus Flowers (1887–1897) by Ogawa Kazumasa. Original from The Rijksmuseum.… https://www.rawpixel.com/image/523362/lotus-flowers-ogawa-kazumasaFree Image from public domain licenseNurse Corps - Recreation - Miscellaneous. Original public domain image from Flickr https://www.rawpixel.com/image/3393895/free-photo-image-vintage-summerFree Image from public domain licensePerson wearing headlight facing towards snow mountains. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3284894/free-photo-image-road-space-night-skyFree Image from public domain licenseSand dunes in Southern California. Original image from Carol M. Highsmith’s America, Library of Congress collection.… https://www.rawpixel.com/image/434101/pink-sand-dunesFree Image from public domain licenseMasks worn during experiments with plague. Manila, Philippines (1912). Original image from National Museum of Health and… https://www.rawpixel.com/image/2298618/free-photo-image-vintage-covid-peopleFree Image from public domain licenseEdwin Aldrin walking on the lunar surface. Neil Armstrong, who took the photograph, can be seen reflected in Aldrin’s… https://www.rawpixel.com/image/439991/edwin-aldrinFree Image from public domain licenseA toad in morning dress, holding an umbrella and a bunch of flowers. Watercolour by G. Hope Tait, ca. 1900. https://www.rawpixel.com/image/13967221/image-cartoon-flowers-personFree Image from public domain licenseFrench tarot deck, "Tarot nouveau" style: king of spades (1898) chromolithograph by Baptiste-Paul Grimaud. Original public… https://www.rawpixel.com/image/10543029/image-face-person-artFree Image from public domain licenseFree gradient color splash photo, public domain texture CC0 image. https://www.rawpixel.com/image/5923662/photo-image-background-texture-public-domainFree Image from public domain licenseNude photography of tattooed Japanese man with tattoo (1870s –1890s) by Kusakabe Kimbei. Original from The Getty.… https://www.rawpixel.com/image/2586364/free-photo-image-japan-japanese-tattooFree Image from public domain licenseApotheosis of Hercules by Giovanni Domenico Tiepolo. Ceiling painting of Palace Versailles near Paris, France. Free public… https://www.rawpixel.com/image/6033811/photo-image-public-domain-art-paintingFree Image from public domain licenseWilson Bentley's Snowflake 920 (ca. 1890) detailed photograph of snowflakes in high resolution by Wilson Alwyn Bentley.… https://www.rawpixel.com/image/2798905/free-photo-image-snow-snowflake-winterFree 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 licenseThe American Soldiers in Presence of Gas during World War I (1918). Original image from National Museum of Health and… https://www.rawpixel.com/image/2298627/free-photo-image-vintage-people-covidFree Image from public domain licensePacific Coast Sunset at Monterey, California. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/434134/monterey-californiaFree Image from public domain licenseFree Gustav Klimt's Beethoven Frieze, Secession Building, Vienna, Austria, public domain painting CC0 image. https://www.rawpixel.com/image/5927142/photo-image-public-domain-painting-freeFree Image from public domain licenseClinical photograph of a cyst of conjunctiva. Original image from National Museum of Health and Medicine. Digitally enhanced… https://www.rawpixel.com/image/2298608/free-photo-image-eye-vintage-blackFree Image from public domain licenseStill Life with Flowers (c. 1625 - c. 1630) by Balthasar van der Ast https://www.rawpixel.com/image/13731947/still-life-with-flowers-c-1625-1630-balthasar-van-der-astFree Image from public domain licenseHundreds of thousands of stars crowded into the swirling core of our spiral Milky Way galaxy. Original from NASA. Digitally… https://www.rawpixel.com/image/441093/milky-way-galaxyFree Image from public domain licenseLady Bird Johnson Grove in Northern California. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/422019/lady-bird-johnson-groveFree Image from public domain licenseNASA Astronaut Stands on Mars (2020) illustrated by NASA/JPL-Caltech. Original public domain image from Wikimedia Commons.… https://www.rawpixel.com/image/10184729/image-astronaut-sunset-personFree Image from public domain licenseUntitled (montage with pneumatic drill) (1924-1965) by Gordon H Burt Ltd and Athol McCredie. https://www.rawpixel.com/image/13027921/photo-image-public-domain-black-and-white-paper-young-peopleFree Image from public domain licenseCheetah (2014) by Ronda Gregorio. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060053/free-photo-image-animal-cheetah-wildlifeFree Image from public domain licenseStormtroopers and Vendetta character mural art. Location unknown - 04/21/2017 https://www.rawpixel.com/image/6111838/photo-image-face-public-domain-artFree Image from public domain licenseEquivalent (1927) by Alfred Stieglitz. Original from The Art Institute of Chicago. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3809181/photo-image-art-vintage-grassFree Image from public domain licenseIedereen fotografeert (1901) by Johann Georg van Caspel. Original from The Rijksmuseum. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2909980/free-illustration-image-poster-vintageFree Image from public domain licenseThe "Human Squirrel" who did many daring "stunts" in climbing for benefit of War Relief Funds in New York City. He is shown… https://www.rawpixel.com/image/8799893/photo-image-vintage-smoke-public-domainFree Image from public domain licenseSensual nude sculpture, Three Graces (1840s) by William Henry Fox Talbot. Original from The MET Museum. Digitally enhanced… https://www.rawpixel.com/image/2586453/free-photo-image-art-woman-statueFree Image from public domain licenseAfrican Lion (2011) by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060356/free-photo-image-lion-animal-forestFree Image from public domain licenseWaldorf Astoria construction, iconic photography, New York City, USA - ca. 1930 https://www.rawpixel.com/image/6111682/photo-image-public-domain-vintage-personFree Image from public domain licenseBacklit wisps along the Horsehead Nebula's upper ridge are being illuminated by Sigma Orionis. Original from NASA. Digitally… https://www.rawpixel.com/image/418636/horsehead-nebulas-upper-ridgeFree Image from public domain licenseNew York from the Shelton (1935) photo in high resolution by Alfred Stieglitz. Original from the Saint Louis Art Museum.… https://www.rawpixel.com/image/3813984/photo-image-art-vintage-cityFree Image from public domain licenseWomen wearing surgical masks during the influenza epidemic, Brisbane (1919). Original image from State Library of… https://www.rawpixel.com/image/2298584/free-photo-image-vintage-black-and-white-covidFree Image from public domain licenseMountain-sunset view from Telluride, once a mining boomtown and now a popular skiing destination in Colorado. Original image… https://www.rawpixel.com/image/434426/mountain-sunset-viewFree Image from public domain licenseThis photo was assembled from three black and white negatives by the Image Processing Lab at Jet Propulsion Laboratory.… https://www.rawpixel.com/image/418673/planet-outer-spaceFree Image from public domain licenseA turtle glides through the water at the Texas State Aquarium in Corpus Christi. Original image from Carol M.… https://www.rawpixel.com/image/422049/sea-turtleFree Image from public domain licenseScarborough, New Zealand. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3282346/free-photo-image-mental-health-woman-tirednessFree Image from public domain licenseThis image is an unannotated version of NASA's Photojournal Home Page graphic released in October 2007. Original from NASA.… https://www.rawpixel.com/image/441103/the-solar-systemFree Image from public domain licenseThe Peony nebula star, a blazing ball of gas shines with the equivalent light of 3.2 million suns. Original from NASA.… https://www.rawpixel.com/image/441153/the-peony-nebula-starFree 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/422008/the-imperial-sand-dunesFree Image from public domain licenseAstronaut Edwin E. Aldrin Jr., beside the deployed United States flag during an Apollo 11 extravehicular activity on the… https://www.rawpixel.com/image/418668/astronaut-edwin-aldrin-jrFree Image from public domain licenseBust of Faith by Hiram Powers (1870-1890) silver print. Original from Getty Museum. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/4032070/photo-image-art-people-illustrationFree Image from public domain licenseA lush field beneath threatening skies in rural Otero County, Colorado. Original image from Carol M. Highsmith’s… https://www.rawpixel.com/image/422045/green-meadow-fieldFree Image from public domain licenseAn old company sign appears on the wall of a Coca-Cola bottling plant outside Alpine, Texas. Original image from Carol M.… https://www.rawpixel.com/image/3092149/free-photo-image-art-street-wall-vintageFree Image from public domain licenseFree arctic fox sitting on snow image, public domain animal CC0 photo. https://www.rawpixel.com/image/5924504/photo-image-background-public-domain-natureFree Image from public domain licenseCount Dracula (1970) drawing by Jess Franco. Original public domain image from Wikipedia. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/10542939/image-face-person-artFree Image from public domain licenseA mother in California who with her husband and her two children will be returned to Oklahoma by the Relief Administration.… https://www.rawpixel.com/image/12107750/image-face-hand-personFree Image from public domain licenseThe NASA/ESA Hubble Space Telescope has spotted a UFO Galaxy, a NGC 2683, which is a spiral galaxy seen almost edge-on… https://www.rawpixel.com/image/440167/ufo-galaxyFree Image from public domain licenseThe Redwood National and State Parks. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/422014/tree-canopyFree Image from public domain licenseA mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, at the Wyoming-Colorado border. Original… https://www.rawpixel.com/image/434464/wild-mustang-horsesFree Image from public domain licenseHubble image of the Bubble Nebula, or NGC 7635, an enormous bubble being blown into space by a super-hot, massive star.… https://www.rawpixel.com/image/418597/bubble-nebulaFree Image from public domain licenseThe Hand of Man (1902) photo in high resolution by Alfred Stieglitz. Original from the Getty. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3813991/photo-image-art-smoke-vintageFree Image from public domain licenseThe American Soldiers in Presence of Gas suring World War I (1918). Original image from National Museum of Health and… https://www.rawpixel.com/image/2298583/free-photo-image-war-vintage-soldierFree Image from public domain licenseSumatran Tiger (2009) by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060411/free-photo-image-tiger-forest-animalFree Image from public domain licenseNew Horizons Finds Blue Skies and Water Ice on Pluto. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/440103/blue-skies-and-water-ice-plutoFree Image from public domain licenseGiant Panda (1985) by Jessie Cohen. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3059731/free-photo-image-animal-panda-treeFree Image from public domain licenseHubble Goes High Def to Revisit the Iconic 'Pillars of Creation' Messier 16 (The Eagle Nebula). Original from NASA.… https://www.rawpixel.com/image/440098/the-eagle-nebulaFree Image from public domain licenseYosemite National Park, United States. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/422042/yosemite-national-parkFree Image from public domain licenseRock Creek Park, Washington, D.C. Original image from Carol M. Highsmith’s America, Library of Congress collection.… https://www.rawpixel.com/image/421726/rock-creek-parkFree Image from public domain licenseOakland, Calif., Mar. 1942. A large sign reading "I am an American" placed in the window of a store, at [401 - 403 Eighth]… https://www.rawpixel.com/image/12108063/image-persons-art-vintageFree Image from public domain licenseEmergency hospital during influenza epidemic, Camp Funston, Kansas (1918). Original image from National Museum of Health and… https://www.rawpixel.com/image/2298586/free-photo-image-spanish-flu-pandemic-covidFree Image from public domain licenseBirch trees in Utah high country. Original image from Carol M. Highsmith’s America, Library of Congress collection.… https://www.rawpixel.com/image/433988/birch-trees-utahFree Image from public domain licenseFree gradient blue painting texture background image, public domain CC0 photo. https://www.rawpixel.com/image/5923841/photo-image-background-texture-public-domainFree Image from public domain licenseImage of a nebula taken using a NASA telescope. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/441318/colorful-nebulaFree Image from public domain licenseRed-eyed Tree Frog (Agalychnis callidryas), photographed near Playa Jaco in Costa Rica (retouched version). Original public… https://www.rawpixel.com/image/3339343/free-photo-image-frog-tree-public-domainFree Image from public domain licenseDesktop wallpaper, vintage statue HD image background. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3864387/image-background-wallpaper-artFree Image from public domain licenseYosemite National Park. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally… https://www.rawpixel.com/image/422023/yosemite-national-parkFree Image from public domain licenseGiant Leaf–tailed Gecko (2010) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally… https://www.rawpixel.com/image/3061720/free-photo-image-leaf-animal-lizardFree Image from public domain licenseLittle girl with holly (1861–1897), vintage illustration by L. Prang & Co. Original public domain image from Digital… https://www.rawpixel.com/image/11066951/image-face-plant-christmasFree Image from public domain licenseClown ornament, Seaside Heights, New Jersey (1978) photography in high resolution by John Margolies. Original from the… https://www.rawpixel.com/image/3801611/photo-image-vintage-retro-smileFree Image from public domain license