The cave of Trophonius in Livadeia, Greece; the cavities in the rock are for votive offerings. Etching by Elizabeth Byrne… https://www.rawpixel.com/image/14000711/image-cartoon-person-artFree Image from public domain licenseHingal's Cave, Staffa by George Washington Wilson and Company https://www.rawpixel.com/image/14302055/hingals-cave-staffa-george-washington-wilson-and-companyFree Image from public domain licenseThe destruction of Sodom and Gomorrah. Mezzotint by J. Martin, 1832. https://www.rawpixel.com/image/13984988/the-destruction-sodom-and-gomorrah-mezzotint-martin-1832Free Image from public domain licenseA deserted beach, turquoise sea and rocky cliffs form a surfer's paradise at Marin Headlands. Original public domain image… https://www.rawpixel.com/image/3289560/free-photo-image-beach-images-pictures-blue-water-caveFree Image from public domain license[Untitled photo, possibly related to: Gold miner operating pneumatic drill at Mogollon, New Mexico] by Russell Lee https://www.rawpixel.com/image/12151220/image-person-art-vintageFree Image from public domain licenseTrapper, a man who controls the movements of the coal car. Old Ben number eight. West Frankfort, Illinois. See 26980-D.… https://www.rawpixel.com/image/12324154/image-face-person-public-domainFree Image from public domain licenseGezicht op de spoorlijn Luleå - Narvik (ertsspoorlijn), uitzicht vanuit een tunnel (1888 - 1900) by anonymous https://www.rawpixel.com/image/13760203/photo-image-paper-person-mountainFree Image from public domain licenseDunnottar Castle, from the Bowdun Head, Scotland by Capt Horatio Ross https://www.rawpixel.com/image/14326865/dunnottar-castle-from-the-bowdun-head-scotland-capt-horatio-rossFree Image from public domain licenseNothing wrong with these shelves. Shelves like these may be built in a well-ventilated cellar, cave, or closet where it is… https://www.rawpixel.com/image/12324013/image-person-light-public-domainFree Image from public domain licenseOponthoud bij de Grotte delle Capre aan de grens bij Nemorosa en Fredda (1778) by Louis Ducros https://www.rawpixel.com/image/13786809/image-paper-face-personFree Image from public domain licenseKillarney. Caves under the "Colleen Bawn" Rock, Middle Lake. https://www.rawpixel.com/image/14304759/killarney-caves-under-the-colleen-bawn-rock-middle-lakeFree Image from public domain licenseGlacier cave at Pitztall in Austria. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3371551/free-photo-image-cave-cc0-creative-commonsFree Image from public domain licenseTe Whanganui-A-Hei Marine Reserve, New Zealand. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3337521/free-photo-image-beach-cave-cc0Free Image from public domain license The oldest surviving Wigwam Village Motel, part of what was once a series of quirky motels… https://www.rawpixel.com/image/8069281/photo-image-public-domain-city-united-statesFree Image from public domain licenseSaint Francis of Assisi reading a book in front of a crucifix; a monk and a church in the background. Engraving by J.P. Le… https://www.rawpixel.com/image/14010785/image-background-person-bookFree Image from public domain licenseA victim of torture is flayed or disembowelled by two men in a cave. Wood engraving. https://www.rawpixel.com/image/13997575/image-cartoon-face-personFree Image from public domain licenseElfin Gorge, - looking down, Watkins Glen, N.Y. by James Douglas Hope https://www.rawpixel.com/image/14293463/elfin-gorge-looking-down-watkins-glen-ny-james-douglas-hopeFree Image from public domain licensePowerboat in Hell's Canyon, Wallowa-Whitman National Forest. Original public domain image from Flickr https://www.rawpixel.com/image/4075323/photo-image-ocean-people-natureFree Image from public domain licenseA silhouette of a man at the entrance to an enormous cavern. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3288864/free-photo-image-cave-cc0-creative-commonsFree Image from public domain licenseEntrance to Cave of the Winds [Niagara Falls, N.Y.] by George E Curtis https://www.rawpixel.com/image/14288728/entrance-cave-the-winds-niagara-falls-ny-george-curtisFree Image from public domain licenseFiguren in de rotskapel van Sant'Angelo Fasanella (1843) by Achille Vianelli https://www.rawpixel.com/image/13792131/figuren-rotskapel-van-santangelo-fasanella-1843-achille-vianelliFree Image from public domain licenseAerial View of the Maze, a Remote and Almost Inaccessible Region in the Heart of the Canyonlands, 05/1972. Original public… https://www.rawpixel.com/image/8803358/photo-image-art-mountain-paintingFree Image from public domain licenseYo-Sem-i-te Valley, California. Base of the Upper Yo-Semite Fall by Eadweard J Muybridge https://www.rawpixel.com/image/14312674/photo-image-public-domain-waterfall-united-statesFree Image from public domain licenseCave of the Winds Music Hall. by William Henry Jackson and Co https://www.rawpixel.com/image/14291771/cave-the-winds-music-hall-william-henry-jackson-andFree Image from public domain licenseFountain of Saint Francis of Assisi. at La Verna. Engraving attributed to D. Falcini after J. Ligozzi, ca. 1612. https://www.rawpixel.com/image/13990857/image-cartoon-plant-personFree Image from public domain licenseWilliams' Canon From the Temple of Isis. by William Henry Jackson and Co https://www.rawpixel.com/image/14292868/williams-canon-from-the-temple-isis-william-henry-jackson-andFree Image from public domain licenseBetween the Yosemite Falls, Yosemite Valley, Mariposa County, Cal. (#14) by Carleton Watkins https://www.rawpixel.com/image/14311500/image-public-domain-nature-united-statesFree Image from public domain licenseHupeh province, China. Photograph, 1981, from a negative by John Thomson, ca. 1870. https://www.rawpixel.com/image/14015517/photo-image-person-public-domain-natureFree Image from public domain licenseWar production drive. Anthracite rallies. Soldiers saw how the production front fights when coal miners took them… https://www.rawpixel.com/image/12309190/image-person-man-gunFree Image from public domain licenseRoute de Simplon. Tunnel dans la gorge de Gondo. by Adolphe Braun https://www.rawpixel.com/image/14289616/route-simplon-tunnel-dans-gorge-gondo-adolphe-braunFree Image from public domain licenseRizpah protecting the bodies of her murdered sons Armoni and Mephibosheth. Watercolour after J.M.W. Turner. https://www.rawpixel.com/image/14009518/image-plant-person-treeFree Image from public domain licenseProduction. Mercury. Loading mercury ore from a chute into a mine car at the New Idria, California plant of the New Idria… https://www.rawpixel.com/image/12308311/image-plant-person-architectureFree Image from public domain licenseYuenfu, River Min, Fukien province, China. Photograph, 1981, from a negative by John Thomson, 1870/1871. https://www.rawpixel.com/image/14019686/photo-image-public-domain-nature-trainFree Image from public domain licenseView of cliffs in Portugal https://www.rawpixel.com/image/462045/premium-photo-image-sea-cliffs-coastView licenseThe Plague Expedition to Anzob in Russian Turkestan. Photograph album by A.M. Levin, 1899. https://www.rawpixel.com/image/13998127/photo-image-plant-tree-artFree Image from public domain licenseAncestral Puebloan Granary(NPS photo by Neal Herbert). Original public domain image from Flickr https://www.rawpixel.com/image/4033472/photo-image-nature-buildingFree Image from public domain licenseUpper Pa-Ro-Gunt. (Dripping Cave Lake.) [Kanab Creek] by John K Hillers https://www.rawpixel.com/image/14293351/upper-pa-ro-gunt-dripping-cave-lake-kanab-creek-john-hillersFree Image from public domain licenseCentral Park, New York. The Cave. by Edward and Henry T Anthony and Co https://www.rawpixel.com/image/14284579/central-park-new-york-the-cave-edward-and-henry-anthony-andFree Image from public domain licenseBeige rock textured surface background https://www.rawpixel.com/image/2264357/free-photo-image-abstract-backdrop-background-photosView licenseAbdicatie koningin Christina van Zweden, 1654 (1728) by François Morellon La Cave and Gabriël François Louis Debrie https://www.rawpixel.com/image/13763006/image-paper-cartoon-faceFree Image from public domain licenseIsland in the Sky, the Northern - Most Section of Canyonlands National Park, 05/1972. Original public domain image from… https://www.rawpixel.com/image/8803284/photo-image-art-mountain-paintingFree Image from public domain license[Untitled photo, possibly related to: Farmers in front of store on Saturday afternoon in Cave City [actually Horse Cave]… https://www.rawpixel.com/image/12322424/image-face-person-horseFree Image from public domain licenseBeige rock textured surface background https://www.rawpixel.com/image/2309829/free-photo-image-backdrop-background-photos-textureView licenseTwee mannen en een paard-en-wagen op een strand met kliffen (1883) by anonymous https://www.rawpixel.com/image/13760514/twee-mannen-een-paard-en-wagen-een-strand-met-kliffen-1883-anonymousFree Image from public domain licenseBeige rock textured surface background https://www.rawpixel.com/image/2309684/free-photo-image-sandstone-backdrop-background-photosView licenseFarmers in front of store on Saturday afternoon in Cave City [actually Horse Cave], Kentucky. Sourced from the Library of… https://www.rawpixel.com/image/12322181/image-dog-person-horseFree Image from public domain licenseSugarloaf Islands at Fisherman's Bay, Farallon Islands by Carleton Watkins https://www.rawpixel.com/image/14275461/sugarloaf-islands-fishermans-bay-farallon-islands-carleton-watkinsFree Image from public domain licenseA U.S. Service member with Joint Task Force (JTF)-Bravo is hoisted from the waters of Lake Yojoa, Honduras, Feb. 25, 2014… https://www.rawpixel.com/image/8728267/photo-image-public-domain-bird-animalFree Image from public domain licenseArch at Deer Creek. [Platte Canyon, Colorado] by Joseph Collier https://www.rawpixel.com/image/14289151/arch-deer-creek-platte-canyon-colorado-joseph-collierFree Image from public domain licenseThe Pictured Rocks. Wreck Cliff and Cascade. by Christian B Brubaker https://www.rawpixel.com/image/14287789/the-pictured-rocks-wreck-cliff-and-cascade-christian-brubakerFree Image from public domain licenseRuined Cave Town on the Rio de Chelly, Arizona by William Henry Jackson https://www.rawpixel.com/image/14280253/ruined-cave-town-the-rio-chelly-arizona-william-henry-jacksonFree Image from public domain license