A photographer standing in a field with a view on Yosemite's Half Dome. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3291623/free-photo-image-abies-camera-cc0Free Image from public domain licenseSeveral skinny trees covered in light colored bark and green moss fill the frame. https://www.rawpixel.com/image/11524479/photo-image-frame-plant-lightFree Image from public domain licenseThe Hague Central (left - architect: Benthem Crouwel); New Babylon (right - architect: Meyer en Van Schooten Architecten -… https://www.rawpixel.com/image/3371368/free-photo-image-building-silhouette-architecture-asphaltFree Image from public domain licenseUnidentified man with moustache, wearing top hat, standing by Olsen https://www.rawpixel.com/image/14307606/unidentified-man-with-moustache-wearing-top-hat-standing-olsenFree Image from public domain licenseTwin Lakes Campground on Wisdom Ranger District of Beaverhead-Deerlodge National Forest Montana, September 17, 2019.USDA… https://www.rawpixel.com/image/3260370/free-photo-image-abies-beaverhead-deerlodge-national-forest-coniferFree Image from public domain licensePhysique sacrée, ou histoire-naturelle de la Bible / Traduite du latin de Mr. Jean-Jaques Scheuchzer ... Enrichie de figures… https://www.rawpixel.com/image/13986121/image-cartoon-person-artFree Image from public domain licenseSingle pineapple in the grass on a sunny day. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3294651/free-photo-image-cc0-creative-commonsFree Image from public domain licenseRed brick buildings in the foreground of this image of the New York City skyline. https://www.rawpixel.com/image/5975294/photo-image-cloud-public-domain-natureFree Image from public domain licenseStrawberry, Mignonette, Tulip, and Blue Bell and from The Language of Flowers, or, Floral Emblems of Thoughts, Feelings, and… https://www.rawpixel.com/image/2098691/beautiful-flower-bouquetFree Image from public domain licenseGeranium (1827) by Pierre-Joseph Redouté and Henry Joseph Redouté. Original from The Cleveland Museum of Art.… https://www.rawpixel.com/image/2222882/botanical-illustration-pierre-joseph-redouteFree Image from public domain licenseColumbine, Marigold and Pheasant's Eye from The Language of Flowers, or, Floral Emblems of Thoughts, Feelings, and… https://www.rawpixel.com/image/2098099/beautiful-flower-bouquetFree Image from public domain licenseCamellia: No. 171 from Iconographie du Genre Camellia ou Description et Figures (1839–1843) by Lorenzo Berlèse.… https://www.rawpixel.com/image/2090037/iconographie-genre-camelliaFree Image from public domain licenseSiberian apple by Mary Altha Nims (1817–1907). Original from The Cleveland Museum of Art. Digitally enhanced by… https://www.rawpixel.com/image/2208224/mary-altha-nims-artworkFree Image from public domain licenseIris Pumila from The genus Iris by William Rickatson Dykes (1877-1925). Original from The Biodiversity Heritage Library.… https://www.rawpixel.com/image/2098350/vintage-iris-flower-posterFree Image from public domain licenseHand drawn red poppy. Original from Biodiversity Heritage Library. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2880177/free-illustration-image-flower-poppy-vintage-flowersFree Image from public domain licenseTsubaki camelia during 1870–1880 by Megata Morikaga. Original from Library of Congress. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2801619/free-illustration-image-flower-japanese-art-vintageFree Image from public domain licenseGordonia pubescens or Franklinia pl. 59 (1819) from The North American Sylva by François André Michaux.… https://www.rawpixel.com/image/2090669/vintage-botanical-illustrationFree Image from public domain licenseSheep skull from The History and Antiquities of the Deanery of Craven in the County of York (1805) published by Thomas… https://www.rawpixel.com/image/571384/skull-with-antlersFree Image from public domain licenseHeshbon wheat from Travels in Egypt and Nubia, Syria and Asia Minor: During the Years 1817 & 1818 (1823) published by… https://www.rawpixel.com/image/573120/heshbon-wheat-drawingFree Image from public domain licenseHand drawn pomegranate. Original from Biodiversity Heritage Library. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2880402/free-illustration-image-flower-pomegranate-fruitFree Image from public domain licenseDelphinum staphisagria illustration. Digitally enhanced from our own book, Medical Botany (1836) by John Stephenson and… https://www.rawpixel.com/image/326909/free-illustration-image-flowers-jame-morss-churchill-botanical-watercolorFree Image from public domain licenseRhizomes of a Pogoniris and of a Regelia Iris from The genus Iris by William Rickatson Dykes (1877-1925). Original from The… https://www.rawpixel.com/image/2093476/vintage-iris-root-posterFree Image from public domain licenseEnglish mandrake (Bryonia dioica) illustration. Digitally enhanced from our own book, Medical Botany (1836) by John… https://www.rawpixel.com/image/327194/free-illustration-image-mandrake-flower-flowers-englishFree Image from public domain licenseScammony (Convolvulus scammonia) illustration. Digitally enhanced from our own book, Medical Botany (1836) by John… https://www.rawpixel.com/image/327215/free-illustration-image-flowers-convolvulus-botanicalFree Image from public domain licenseIris Setosa from The genus Iris by William Rickatson Dykes (1877-1925). Original from The Biodiversity Heritage Library.… https://www.rawpixel.com/image/2097124/vintage-iris-flower-posterFree Image from public domain licenseMimosa catechu (Acacia catechu) illustration. Digitally enhanced from our own book, Medical Botany (1836) by John Stephenson… https://www.rawpixel.com/image/327099/free-illustration-image-mimosa-acacia-vintageFree Image from public domain licenseReinforced Tree Fern from Our Knowledge Of The Earth. General Geography And Area Studies, Edited Under The Expert Assistance… https://www.rawpixel.com/image/572681/tropical-palm-treeFree Image from public domain licenseSassafras (Laurus sassafras) illustration. Digitally enhanced from our own book, Medical Botany (1836) by John Stephenson… https://www.rawpixel.com/image/326972/free-illustration-image-vintage-herbs-herb-sassafras-art-public-domainFree Image from public domain licenseIris Purdyi from The Genus Iris (1913) by William Rickatson Dykes (1877-1925). Original from The Biodiversity Heritage… https://www.rawpixel.com/image/2098341/vintage-iris-flower-posterFree Image from public domain licenseIris Hartwegii from The Genus Iris (1913) by William Rickatson Dykes. Original from The Biodiversity Heritage Library.… https://www.rawpixel.com/image/2098209/vintage-iris-flower-posterFree Image from public domain licenseMiltonia phalænopsis from Reichenbachia Orchids (1888-1894) illustrated by Frederick Sander (1847-1920). Original from… https://www.rawpixel.com/image/328062/free-illustration-image-flowers-century-paintingsFree Image from public domain licenseFigure and Mary on the clouds by Johan Teyler (1648-1709). Original from The Rijksmuseum. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/515139/free-illustration-image-pillar-vintage-centuryFree Image from public domain licenseEmu from An Account of the English Colony in New South Wales (1804) published by David Collins. Original from the British… https://www.rawpixel.com/image/573508/emu-vintage-styleFree Image from public domain licenseAngræcum humblotii from Reichenbachia Orchids (1888-1894) illustrated by Frederick Sander (1847-1920). Original from… https://www.rawpixel.com/image/328072/free-illustration-image-flowers-century-orchidFree Image from public domain licenseBladder wrack (Fucus vesiculosus) illustration. Digitally enhanced from our own book, Medical Botany (1836) by John… https://www.rawpixel.com/image/327079/free-illustration-image-watercolor-flowerFree Image from public domain licenseWashington eagle from A Book of the United States (1839) published by Grenville Mellen. Original from the British Library.… https://www.rawpixel.com/image/573491/washington-eagle-drawingFree Image from public domain licenseMountain eagle from An Account of the English Colony in New South Wales (1804) published by David Collins. Original from the… https://www.rawpixel.com/image/571578/mountain-eagle-vintage-styleFree Image from public domain license