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 licenseHuman monstrosities / by Barton Cooke Hirst and George A. Piersol. https://www.rawpixel.com/image/14011627/human-monstrosities-barton-cooke-hirst-and-george-piersolFree Image from public domain licenseChameleon climbing on green fern. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3300937/free-photo-image-climb-insect-animalFree Image from public domain licenseSaint Paul. Engraving by S.A. Bolswert after Sir P.P. Rubens. https://www.rawpixel.com/image/14017728/saint-paul-engraving-sa-bolswert-after-sir-pp-rubensFree Image from public domain licenseA Khoikhoi woman in profile standing in the field. Photograph, ca.1900. https://www.rawpixel.com/image/14016111/khoikhoi-woman-profile-standing-the-field-photograph-ca1900Free Image from public domain licenseSnow Geese are flying away. Original public domain image from Flickr https://www.rawpixel.com/image/3325927/free-photo-image-flying-birds-animal-birdFree Image from public domain licenseCute brown rabbit sitting on grass field. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3337831/free-photo-image-rabbit-animal-bunnyFree Image from public domain licenseGeorg Brandes at the University of Copenhagen by Harald Slott Møller https://www.rawpixel.com/image/8924764/georg-brandes-the-university-copenhagenFree Image from public domain licenseThe art dealer and publisher Clement de Jonghe by Rembrandt van Rijn https://www.rawpixel.com/image/8924123/the-art-dealer-and-publisher-clement-jongheFree Image from public domain licenseA jar with drip brewed coffee on a counter. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3283496/free-photo-image-cafe-coffee-beakerFree Image from public domain licenseRed Panda (2007) by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060897/free-photo-image-red-panda-snowFree Image from public domain licenseRed Siskin (2016). Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060401/free-photo-image-bird-animal-zooFree Image from public domain licenseScimitar-horned Oryx (2016) by Dolores Reed. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3061646/free-photo-image-forest-oryx-amazingFree Image from public domain licensePresident is on a working trip to the east of Ukraine. December 6, 2021 https://www.rawpixel.com/image/6918283/photo-image-public-domain-person-portraitFree Image from public domain licenseEyelash Palm Pitviper (2011) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by… https://www.rawpixel.com/image/3060054/free-photo-image-animal-reptile-amazingFree Image from public domain licenseSir John Lubbock, Baron Avebury. Reproduction after pencil drawing by H. T. Wells, 1896. https://www.rawpixel.com/image/13996967/image-face-person-artFree Image from public domain licenseFrancis Shillington-Scales. Photograph by J. Palmer Clarke. https://www.rawpixel.com/image/13964533/francis-shillington-scales-photograph-palmer-clarkeFree Image from public domain licenseLeonardo da Vinci. Line engraving by R. Morghen after Leonardo da Vinci. https://www.rawpixel.com/image/14007381/leonardo-vinci-line-engraving-morghen-after-leonardo-vinciFree Image from public domain licensePresident Joe Biden waves to the guests during a CNN Town Hall with Anderson Cooper Monday, Feb. 16, 2021, at the Pabst… https://www.rawpixel.com/image/4046327/photo-image-face-people-natureFree Image from public domain licenseA God-like figure embraces a young fainting girl. Stipple engraving by B. Smith, 1797, after R. Westall. https://www.rawpixel.com/image/13997367/image-cloud-angel-cartoonFree Image from public domain licenseA native American medicine man with elaborate body painting performing a dance. Wood engraving, 1873. https://www.rawpixel.com/image/13968836/image-cartoon-face-personFree Image from public domain licensePortrait or self-portrait of Achille Devéria by Achille Devéria, Théodule Devéria and Charles Marville https://www.rawpixel.com/image/14272765/photo-image-face-person-artFree Image from public domain licenseBoy Dressed as an Indian Posed in Front of Ferns by Alphonse Maria Mucha https://www.rawpixel.com/image/14327033/boy-dressed-indian-posed-front-ferns-alphonse-maria-muchaFree Image from public domain licenseHead of a deity (c. 1425 - c. 1475) by anonymous and anonymous https://www.rawpixel.com/image/13732750/head-deity-c-1425-1475-anonymous-and-anonymousFree Image from public domain licenseFrançois Anthyme Eugène Follin. Photograph by Pierre Petit. https://www.rawpixel.com/image/13982712/francois-anthyme-eugene-follin-photograph-pierre-petitFree Image from public domain licenseThe head of a man with a moustache and beard: above, with some of the skin removed; below, showing part of the brain. Line… https://www.rawpixel.com/image/14000944/image-cartoon-face-personFree Image from public domain licenseJean Louis Alibert. Stipple engraving by Lambert le jeune. https://www.rawpixel.com/image/13991947/jean-louis-alibert-stipple-engraving-lambert-jeuneFree Image from public domain licenseAureolus Theophrastus Bombastus von Hohenheim [Paracelsus]. Stipple engraving by R. Cooper after R. Gaywood after Q. Matsys. https://www.rawpixel.com/image/13984058/image-face-person-artFree Image from public domain licenseThe Actor Regnier (L'Acteur Regnier) by Julien Vallou de Villeneuve https://www.rawpixel.com/image/14280678/the-actor-regnier-lacteur-regnier-julien-vallou-villeneuveFree Image from public domain licenseThe phrenologist Bernard Hollander illustrating with his own head his system of cranial measurements. Photographs, c. 1902. https://www.rawpixel.com/image/13996112/photo-image-face-person-artFree Image from public domain licenseYoung African boy. Credit: Brant Stewart, RTI. Original public domain image from Flickr https://www.rawpixel.com/image/8759369/photo-image-public-domain-woman-kidFree Image from public domain licenseGloucester smallpox epidemic, 1896: Edwin Davis, a smallpox patient. Photograph by H.C.F., 1896. https://www.rawpixel.com/image/13982933/photo-image-face-person-hospitalFree Image from public domain licenseFotoreproductie van een gegraveerd portret van Napoleon I (1851 - 1900) by anonymous and anonymous https://www.rawpixel.com/image/13743920/image-paper-face-personFree Image from public domain licensePeter Garden aged 131. Line engraving by H. Gavin after J. Wales. https://www.rawpixel.com/image/13993521/peter-garden-aged-131-line-engraving-gavin-after-walesFree Image from public domain licenseJean-Nicolas, Baron Corvisart. Stipple engraving by C.A. Forestier after F.P.S. Gérard. https://www.rawpixel.com/image/13985173/image-face-person-artFree Image from public domain licenseA man in a boat house (C.S. Parnell) is damaging a boat representing the Liberal Party with a hammer inscribed "Manifesto".… https://www.rawpixel.com/image/13962799/image-cartoon-face-personFree Image from public domain licenseDavid Kilgore by James Earle McClees and Julian Vannerson https://www.rawpixel.com/image/14318351/david-kilgore-james-earle-mcclees-and-julian-vannersonFree Image from public domain licenseCaptain I.J. [sic] Murray, of Murray's Jat Horse by Felice Beato https://www.rawpixel.com/image/14314053/captain-ij-sic-murray-murrays-jat-horse-felice-beatoFree Image from public domain licenseA Persian dentist extracting a tooth from a squatting patient. Halftone. https://www.rawpixel.com/image/13963164/persian-dentist-extracting-tooth-from-squatting-patient-halftoneFree Image from public domain licenseGolding Bird (1814-1854), physician and natural philosopher. Oil painting by Alexander Craig, 1840. https://www.rawpixel.com/image/13996937/image-face-person-artFree Image from public domain licenseJohn Keats. Reproduction of stipple engraving by H. Meyer, 1828, after J. Severn, 1816. https://www.rawpixel.com/image/13996988/image-cartoon-face-personFree Image from public domain license