Sullivan Bridge, Bellows Falls, Vermont by Preston William Taft https://www.rawpixel.com/image/14299436/sullivan-bridge-bellows-falls-vermont-preston-william-taftFree Image from public domain licenseA musk bull and a cow standig on the shore of a lake next to a rock. Etching. https://www.rawpixel.com/image/14021916/musk-bull-and-cow-standig-the-shore-lake-next-rock-etchingFree Image from public domain licenseFrom inside the Summer House north of the Arsenal. by Thomas C Roche https://www.rawpixel.com/image/14296825/from-inside-the-summer-house-north-the-arsenal-thomas-rocheFree Image from public domain licenseClimber belays down the steep side of a red mountain in Moab. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3296976/free-photo-image-adventure-art-caveFree Image from public domain licenseOak (Quercus species): leaves and stem, with a size scale. Pen drawing. https://www.rawpixel.com/image/13991673/oak-quercus-species-leaves-and-stem-with-size-scale-pen-drawingFree Image from public domain licenseSappho Invoking the Gods to Inspire Her by Pradier / Musee du Louvre by Adolphe Braun https://www.rawpixel.com/image/14310612/image-person-art-public-domainFree Image from public domain licenseCozzens Hotel, West Point. [Hudson River] by Deloss Barnum https://www.rawpixel.com/image/14287572/cozzens-hotel-west-point-hudson-river-deloss-barnumFree Image from public domain licenseStrawberry RidgeStrawberry Ridge on the Uinta-Wasatch-Cache National Forest in Utah. Photo by Kirk North, 10-01-13. Credit:… https://www.rawpixel.com/image/4034974/photo-image-tree-art-plantFree Image from public domain licenseKelmscott Manor. In the Tapestry Room. by Frederick H Evans https://www.rawpixel.com/image/14281827/kelmscott-manor-the-tapestry-room-frederick-evansFree Image from public domain licenseWest from Tunnel No. 4, Weber Canon by William Henry Jackson https://www.rawpixel.com/image/14292356/west-from-tunnel-no-weber-canon-william-henry-jacksonFree Image from public domain license"Wild Hall", No. 23 from the series "Mammoth Cave Views" by Chas. Waldack https://www.rawpixel.com/image/8966476/wild-hall-no-from-the-series-mammoth-cave-views-chas-waldackFree Image from public domain licenseA witch in the moonlight, opening her hand to a mandrake plant dressed in a white veil. Drawing by or after H. Fuseli. https://www.rawpixel.com/image/14014559/image-cartoon-hand-plantFree Image from public domain license"Scorn" from Le Brun, Bowles's Passions of the soul, circa 1785 https://www.rawpixel.com/image/14006164/scorn-from-brun-bowless-passions-the-soul-circa-1785Free Image from public domain licenseThe Niagara Suspension Bridge, U.S. Sectional View. by William England https://www.rawpixel.com/image/14289252/the-niagara-suspension-bridge-us-sectional-view-william-englandFree Image from public domain licenseParliament Buildings, Ottawa, Ont. [Canada] by William Notman https://www.rawpixel.com/image/14298076/parliament-buildings-ottawa-ont-canada-william-notmanFree Image from public domain licensePortrait of a Seated Middle-aged Woman Holding a Flower by Thompson and Wagstaff https://www.rawpixel.com/image/14284389/photo-image-face-flower-personFree Image from public domain licenseFragment of frieze from the Parthenon. by William J Stillman https://www.rawpixel.com/image/14284249/fragment-frieze-from-the-parthenon-william-stillmanFree Image from public domain licenseTherapeutice specialis ad febres periodicas perniciosas. https://www.rawpixel.com/image/14010060/therapeutice-specialis-febres-periodicas-perniciosasFree Image from public domain license