Thirty-six star flag (1864). Original from the Library of Congress. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/7615228/image-art-vintage-public-domainFree Image from public domain licenseMap showing admission rates for measles by state, per 1000 per annum of white enlisted men in the United States from April… https://www.rawpixel.com/image/2298579/free-photo-image-map-united-states-americaFree Image from public domain licenseMap sampler. Original public domain image from Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/9700482/image-background-flowers-artFree Image from public domain licenseAmerican flag campaign banner for Stephen A. Douglas and Herschel V. Johnson (1860) by H.C. Howard. Original from the… https://www.rawpixel.com/image/7615407/image-art-vintage-public-domainFree Image from public domain licenseProof for an American flag campaign banner for John C. Breckinridge and Joseph Lane (1860) by H.C. Howard. Original from the… https://www.rawpixel.com/image/7615409/image-art-vintage-public-domainFree Image from public domain licenseHawaii by flying clipper--Pan American Airways System (1938) vintage poster. Original public domain image from the Library… https://www.rawpixel.com/image/8683942/image-art-watercolor-planeFree Image from public domain licenseMiddle Fork of the Salmon River, Salmon-Challis National Forest. Original public domain image from Flickr https://www.rawpixel.com/image/4035065/photo-image-texture-wallFree Image from public domain licenseMr. and Mrs. Daniel Otis and Child (1834), vintage illustration by Joseph H. Davis. Original public domain image from The… https://www.rawpixel.com/image/11066084/image-face-paper-personFree Image from public domain licenseRoseate Spoonbill from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from… https://www.rawpixel.com/image/277295/free-illustration-image-audubon-birds-americaFree Image from public domain licenseGreat White Heron from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from… https://www.rawpixel.com/image/277232/free-illustration-image-audubon-bird-birds-americaFree Image from public domain licenseBrown Pelican from Birds of America (1827) by John James Audubon (1785 - 1851), etched by Robert Havell (1793 - 1878).… https://www.rawpixel.com/image/277293/free-illustration-image-audubon-pelican-birds-americaFree Image from public domain licenseMiddle Fork of the Salmon River, Salmon-Challis National Forest. Original public domain image from Flickr https://www.rawpixel.com/image/4035062/photo-image-texture-nature-wallFree Image from public domain licenseMallard Duck from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University of… https://www.rawpixel.com/image/277260/free-illustration-image-audubon-duck-birds-americaFree Image from public domain licenseLong-billed Curlew from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from… https://www.rawpixel.com/image/277445/free-illustration-image-audubon-curlew-birds-america-public-domainFree Image from public domain licenseNew York City, photographed from two miles up in the air (1922) from The Lionel Pincus and Princess Firyal Map Division.… https://www.rawpixel.com/image/2037085/new-york-cityFree Image from public domain licenseGreat Auk from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University of… https://www.rawpixel.com/image/277276/free-illustration-image-audubon-bird-birds-america-public-domainFree Image from public domain licenseRuffed Grouse from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University of… https://www.rawpixel.com/image/277545/free-illustration-image-audubon-birds-america-birdFree Image from public domain licenseTrumpeter Swan from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University… https://www.rawpixel.com/image/277277/free-illustration-image-audubon-swanFree Image from public domain licenseBlack Vulture, or Carrion Crow from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original… https://www.rawpixel.com/image/277153/free-illustration-image-crow-vulture-audubonFree Image from public domain licenseAmerican Pied-billed from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from… https://www.rawpixel.com/image/277417/free-illustration-image-audubon-john-birdsFree Image from public domain licenseKing Rail (Rallus Elegans, Aud) illustrated by J.L. Ridgway (1859–1947) and W.B. Gillette (1864–1937) from Game… https://www.rawpixel.com/image/844998/king-rail-vintage-drawingFree Image from public domain licenseCanvas backed Duck from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from… https://www.rawpixel.com/image/277193/free-illustration-image-duck-audubon-birds-america-public-domainFree Image from public domain licenseNocturne: Blue and Gold—Southampton Water by James McNeill Whistler https://www.rawpixel.com/image/8939064/nocturne-blue-and-goldsouthampton-water-james-mcneill-whistlerFree Image from public domain licenseTrouville (Grey and Green, the Silver Sea) by James McNeill Whistler https://www.rawpixel.com/image/8939284/trouville-grey-and-green-the-silver-sea-james-mcneill-whistlerFree Image from public domain licenseLong-tailed or Dusky Grous from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from… https://www.rawpixel.com/image/277470/free-illustration-image-john-james-audubon-birds-america-public-domain-birdFree Image from public domain licenseNew York City buildings border. Remixed by rawpixel. https://www.rawpixel.com/image/9801476/image-border-art-vintageView licenseFunky mosaic art in the vibrant South Austin, Texas. Original image from Carol M. Highsmith’s America, Library of… https://www.rawpixel.com/image/3090921/free-photo-image-america-artwork-austinFree Image from public domain licenseCityscape building silhouette border. Remixed by rawpixel. https://www.rawpixel.com/image/9801480/image-shadow-border-artView licenseDesign for Cabriolet or Victoria, no. 3459, Manufacturer : Brewster & Co. https://www.rawpixel.com/image/9330090/design-for-cabriolet-victoria-no-3459Free Image from public domain licenseThe Victoria Regia; or the Great Water Lily of America (1854) print in high resolution by William Sharp. Original from the… https://www.rawpixel.com/image/297045/free-illustration-image-water-lily-vintageFree Image from public domain licenseIllustration of a black antique carriage (1885), a vintage drawing of a coach from an issue of the very scarce coach-maker’s… https://www.rawpixel.com/image/428229/free-illustration-image-new-york-carriage-vintageFree Image from public domain licenseWinter Hawk from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University of… https://www.rawpixel.com/image/277546/free-illustration-image-audubon-bird-winterFree Image from public domain licenseEduardo Kobra's mural art, Wynwood Wall, Miami, Florida, USA, 07/01/2019. https://www.rawpixel.com/image/6113668/photo-image-public-domain-kid-paintingFree Image from public domain licenseRed-breasted Merganser from Birds of America (1827) by John James Audubon (1785 - 1851), etched by Robert Havell (1793 -… https://www.rawpixel.com/image/277169/free-illustration-image-audubon-birds-america-public-domain-vintageFree Image from public domain licensePart of an elaborate "fish mural," painted in 1906 by a local (reputedly one-armed) fisherman on the arcade of the Champion… https://www.rawpixel.com/image/582629/carol-highsmiths-texas-photographFree Image from public domain licenseOmnium pene Europae, Asiae, Aphricae atque Americae Gentium Habitus by Abraham de Bruyn https://www.rawpixel.com/image/12038232/image-person-books-artFree Image from public domain licenseOmnium pene Europae, Asiae, Aphricae atque Americae Gentium Habitus by Abraham de Bruyn https://www.rawpixel.com/image/12038248/image-face-person-booksFree Image from public domain licenseMappa totius mundi : adornata juxta observationes dnn. academiae regalis scientiarum et nonnullorum aliorum secundum… https://www.rawpixel.com/image/2041329/mappa-totius-mundiFree Image from public domain licenseMappa totius mundi: adornata juxta observationes (1682) by Guilielmum de l'Isle. Original from The Beinecke Rare Book &… https://www.rawpixel.com/image/2045531/vintage-world-mapFree Image from public domain licenseBaldpate (Anas Americana, Gmel) illustrated by J.L. Ridgway (1859–1947) and W.B. Gillette (1864–1937) from Game… https://www.rawpixel.com/image/845006/baldpate-bird-vintage-drawingFree Image from public domain licenseVintage globe drawing. Digitally enhanced from our own original copy of Les Palmiers Histoire Iconographique (1878)… https://www.rawpixel.com/image/4227655/illustration-image-public-domain-art-blackFree Image from public domain licenseMereschu fish, black and white illustration. Free public domain CC0 image. https://www.rawpixel.com/image/6558284/image-vintage-public-domain-illustrationFree Image from public domain licenseVintage sleigh etching illustration from Travels in Various Countries of Europe, Asia and Africa (1810) by Edward Daniel… https://www.rawpixel.com/image/556891/sleigh-vintage-styleFree Image from public domain licenseBlue–Winged Teal (Anas Discors, Linn) illustrated by J.L. Ridgway (1859–1947) and W.B. Gillette… https://www.rawpixel.com/image/845005/blue-winged-teal-vintage-drawingFree Image from public domain licenseBlack-throated Guillemot, Nobbed-billed Auk, Curled-crested Auk and Horned-billed Guillemot from Birds of America (1827) by… https://www.rawpixel.com/image/277307/free-illustration-image-audubon-birds-america-public-domain-horn-bill-birdFree Image from public domain licenseGreat Footed Hawk from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from… https://www.rawpixel.com/image/277179/free-illustration-image-audubon-falco-peregrinus-hawkFree Image from public domain licenseEider Duck from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University of… https://www.rawpixel.com/image/277296/free-illustration-image-audubon-duck-birds-america-public-domainFree Image from public domain licenseSnow Goose from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University of… https://www.rawpixel.com/image/277215/free-illustration-image-audubon-goose-birds-america-public-domainFree Image from public domain licenseVintage sleigh etching illustration from Travels in Various Countries of Europe, Asia and Africa (1810) by Edward Daniel… https://www.rawpixel.com/image/556890/sleigh-vintage-styleFree Image from public domain licenseSchinz's Sandpiper from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from… https://www.rawpixel.com/image/277320/free-illustration-image-sandpiper-audubon-birds-america-public-domainFree Image from public domain licenseThe United States of America flag, the US illustration. Free public domain CC0 image. https://www.rawpixel.com/image/11727685/image-pattern-collage-logoFree Image from public domain licenseCaterpillar of Butterfly. Digitally enhanced from our own publication of Moths and butterflies of the United States (1900)… https://www.rawpixel.com/image/403512/free-illustration-image-caterpillar-butterfly-insectsFree Image from public domain licenseAmerica from The World: Round It and Over It (1881) published by Chester Glass. Original from the British Library. Digitally… https://www.rawpixel.com/image/573480/america-vintage-typographyFree Image from public domain licenseGortyna nitela. Digitally enhanced from our own publication of Moths and butterflies of the United States (1900) by Sherman… https://www.rawpixel.com/image/403554/free-illustration-image-butterflies-moth-dentonFree Image from public domain license