A bear resting in its cave and sucking at its paws. Etching by J. E. Ridinger. https://www.rawpixel.com/image/14008128/bear-resting-its-cave-and-sucking-its-paws-etching-ridingerFree Image from public domain license[Untitled photo, possibly related to: Son of sharecropper and sub tenant hanging up strung tobacco inside barn. Shoofly… https://www.rawpixel.com/image/12245964/photo-image-face-person-woodFree Image from public domain licenseGedeelte van Latomies grotten bij Syracuse (1778) by Louis Ducros https://www.rawpixel.com/image/13787843/gedeelte-van-latomies-grotten-bij-syracuse-1778-louis-ducrosFree Image from public domain licensePowers Court Waterfall, County Wicklow. by Edward and Henry T Anthony and Co https://www.rawpixel.com/image/14285285/powers-court-waterfall-county-wicklow-edward-and-henry-anthony-andFree Image from public domain licenseStomach and intestine from a case of poisoning by liquor ammoniae https://www.rawpixel.com/image/13977857/stomach-and-intestine-from-case-poisoning-liquor-ammoniaeFree Image from public domain licenseHebron and Plain of Mamre with Mosque covering the Cave of Machpelah by Francis Frith https://www.rawpixel.com/image/14321238/image-trees-art-public-domainFree Image from public domain license[Untitled photo, possibly related to: Tourists at cliff dwellings in Mesa Verde National Park, Colorado] by Russell Lee https://www.rawpixel.com/image/12168896/image-face-person-artFree Image from public domain licenseBirdsboro (vicinity), Berks County, Pennsylvania. Cold cellar opening onto the well on the farm of FSA (Farm Security… https://www.rawpixel.com/image/12326027/image-public-domain-wall-archFree Image from public domain licenseGezicht in het Colosseum te Rome (1627) by Bartholomeus Breenbergh https://www.rawpixel.com/image/13795828/gezicht-het-colosseum-rome-1627-bartholomeus-breenberghFree Image from public domain license[Untitled photo, possibly related to: Sheepherders and their horses moving camp from summer to winter range. Ouray County… https://www.rawpixel.com/image/12172985/image-plant-person-artFree Image from public domain licenseLourdes, Haute Pyrénées, France: pilgrims praying and confessing by the roadside. Wood engraving. https://www.rawpixel.com/image/14003026/image-cartoon-person-artFree Image from public domain licenseIsles of Shoals. [Caswell's Peak and Relly Moody's Cave, Star Island] by Davis Brothers https://www.rawpixel.com/image/14290167/photo-image-star-art-oceanFree Image from public domain license[Untitled photo, possibly related to: Creede, Colorado. Lead and silver mining in a former "ghost town"]. Sourced from the… https://www.rawpixel.com/image/12339133/image-person-public-domain-blackFree Image from public domain licenseCentral Park. (New York.) The Cave. by Edward and Henry T Anthony and Co https://www.rawpixel.com/image/14284395/central-park-new-york-the-cave-edward-and-henry-anthony-andFree Image from public domain licenseRuins of the palace substructures of Septimius Severus, Rome (c. 1607 - c. 1609) by Gerard ter Borch I https://www.rawpixel.com/image/13788650/image-paper-person-artFree Image from public domain licenseAt a polling booth, reserve voters, consisting of disabled and sick men and others, proceed up the stairs to take oaths; in… https://www.rawpixel.com/image/13996788/image-background-cartoon-personFree Image from public domain 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/12323584/image-people-horse-roadFree Image from public domain licenseSaint Benedict of Nursia: while he lives as a hermit in a cave near Subiaco, a raven protects him from poisoned bread… https://www.rawpixel.com/image/13996784/image-face-person-artFree Image from public domain licensePissend paard (1683 - 1746) by Nicolaas Verkolje and Philips Wouwerman https://www.rawpixel.com/image/13779597/pissend-paard-1683-1746-nicolaas-verkolje-and-philips-wouwermanFree Image from public domain licenseCliff Palace - first major Indian ruins discovered in the Mesa Verde, 05/1972. Photographer: Norton, Boyd. Original public… https://www.rawpixel.com/image/8803005/photo-image-art-light-woodFree Image from public domain licenseTwo men walking along a path on mount La Verna towards a sanctuary. Engraving attributed to D. Falcini after J. Ligozzi, ca.… https://www.rawpixel.com/image/13995622/image-cartoon-person-artFree Image from public domain licenseGroep figuren bij een kade (1837 - 1881) by Johannes Huybertus van Hove Bzn https://www.rawpixel.com/image/13791604/groep-figuren-bij-een-kade-1837-1881-johannes-huybertus-van-hove-bznFree Image from public domain licenseRainbow Falls, Ute Pass, Winter Scene by Alexander Martin https://www.rawpixel.com/image/14294693/rainbow-falls-ute-pass-winter-scene-alexander-martinFree Image from public domain license[Untitled photo, possibly related to: Kern County, California. Tungsten Chief Mine. One of the several diggings] by Russell… https://www.rawpixel.com/image/12151854/image-person-art-vintageFree Image from public domain licenseTerminal Cave of the Unter Grindelwald Glacier by Ernest H Edwards https://www.rawpixel.com/image/14321244/terminal-cave-the-unter-grindelwald-glacier-ernest-edwardsFree Image from public domain licenseFingal's Cave, Island of Staffa. (From the interior. Iona in the distance.) by A Franks https://www.rawpixel.com/image/14303749/image-person-art-collageFree Image from public domain licenseHercules vecht met Cacus (1515 - 1565) by Giovanni Jacopo Caraglio and Rosso Fiorentino https://www.rawpixel.com/image/13767773/image-paper-horse-cartoonFree Image from public domain licenseCave City [actually Horse Cave] on Saturday afternoon, Kentucky. Sourced from the Library of Congress. https://www.rawpixel.com/image/12322421/image-person-horse-skyFree Image from public domain licenseDruipsteengrot (c. 1841 - c. 1865) by Petrus Johannes Schotel https://www.rawpixel.com/image/13788384/druipsteengrot-c-1841-1865-petrus-johannes-schotelFree Image from public domain licenseA prisoner is sitting on straw in a cave with his feet chained to the wall, there are a few provisions on a small shelf in… https://www.rawpixel.com/image/13973006/image-cartoon-face-personFree Image from public domain licenseIndian Inscription Rock, at Indian Cave, on Mulberry Creek, Kansas by Alexander Gardner https://www.rawpixel.com/image/14286286/image-art-public-domain-paintingFree Image from public domain licenseCave of the Dark Waters, Place of Nah-hu-nah (Sturgeon). [Wisconsin Dells] by Henry Hamilton Bennett https://www.rawpixel.com/image/14288408/photo-image-person-art-watersFree Image from public domain licenseAncient painting in a cave near Hermon published in 1897 by Frédéric Christol (1850-1933). Original from New… https://www.rawpixel.com/image/323060/free-illustration-image-african-cave-paintingFree Image from public domain licenseMontana De Oro State Park, Los Osos, California (1985) photography in high resolution by John Margolies. Original from the… https://www.rawpixel.com/image/3800571/photo-image-ocean-summer-beachFree Image from public domain licenseTimbered tunnel leading into mine. San Juan County, Colorado. Barren mountain sides attest to the amounts of timber which… https://www.rawpixel.com/image/12148869/image-person-art-patternFree Image from public domain licensePittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Testing for a sound roof. Sourced… https://www.rawpixel.com/image/12290221/photo-image-person-public-domain-natureFree Image from public domain license[Untitled photo, possibly related to: Kingman (vicinity), Arizona. A miner going toward a train of mine cars at the entrance… https://www.rawpixel.com/image/12297322/photo-image-plant-person-public-domainFree Image from public domain licensePittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Unusually high roof in mine due to a… https://www.rawpixel.com/image/12289967/photo-image-public-domain-black-architectureFree Image from public domain licensePittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Testing for gas. Sourced from the… https://www.rawpixel.com/image/12289952/photo-image-person-public-domain-womanFree Image from public domain licenseMr. Merritt Bundy, member of Tri-County Farmers Co-op Market in Du Bois, Pennsylvania in the mine on his farm near Penfield… https://www.rawpixel.com/image/12276554/photo-image-person-horse-animalFree Image from public domain license[Untitled photo, possibly related to: Shenandoah National Park, Virginia, Skyline Drive]. Sourced from the Library of… https://www.rawpixel.com/image/12254044/photo-image-person-public-domain-womanFree Image from public domain license[Untitled photo, possibly related to: Home supervisor examining canned goods of rehabilitation borrower in food storage… https://www.rawpixel.com/image/12284560/photo-image-person-public-domain-foodFree Image from public domain licenseInterior of storage cave. Falls City Farmsteads, Nebraska. Sourced from the Library of Congress. https://www.rawpixel.com/image/12266701/photo-image-person-public-domain-factoryFree Image from public domain licenseHand loading into a pit car. Old Ben number eight. West Frankfort, Illinois. See 26980-D. Sourced from the Library of… https://www.rawpixel.com/image/12272609/photo-image-hand-person-public-domainFree Image from public domain licensePittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Mined out area which is being… https://www.rawpixel.com/image/12290256/photo-image-background-frame-patternFree Image from public domain licenseSacramento Pit copper mine at Bisbee, Arizona. This is a pit 435 feet deep. In 1911 a shaft was sunk into the slopes of the… https://www.rawpixel.com/image/12150259/image-art-sky-vintageFree Image from public domain licensePonce, Puerto Rico. A cave in slum area in which two people live. Sourced from the Library of Congress. https://www.rawpixel.com/image/12279670/photo-image-person-public-domain-kidFree Image from public domain licenseWorkers in limestone quarry near Frederick, Maryland. Sourced from the Library of Congress. https://www.rawpixel.com/image/12269569/photo-image-person-public-domain-natureFree Image from public domain license[Untitled photo, possibly related to: Turkey Run, Parke County, Indiana]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12252834/photo-image-forest-public-domain-natureFree Image from public domain licenseTrampas, Taos County, New Mexico. A deserted adobe in a Spanish-American village in the foothills of the Sangre de Cristo… https://www.rawpixel.com/image/12290414/photo-image-mountains-public-domain-wallFree Image from public domain licensePittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Pulling down poor roof. Sourced from… https://www.rawpixel.com/image/12290026/photo-image-person-public-domain-manFree Image from public domain licenseShoveling coal into a conveyer loader, Old Ben number eight. West Frankfort, Illinois (see 26980-D). Sourced from the… https://www.rawpixel.com/image/12272676/photo-image-person-public-domain-manFree Image from public domain license[Untitled photo, possibly related to: Ponce, Puerto Rico. A cave in slum area in which two people live]. Sourced from the… https://www.rawpixel.com/image/12279909/photo-image-person-public-domain-natureFree Image from public domain licenseSyracuse (vicinity), Sicily. Family in catacombs where more than 2,000 refugees were housed during the war. Sourced from the… https://www.rawpixel.com/image/12296516/photo-image-person-public-domain-familyFree Image from public domain licensePittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Testing for gas. Sourced from the… https://www.rawpixel.com/image/12290230/photo-image-person-public-domain-natureFree Image from public domain license[Untitled photo, possibly related to: Shenandoah National Park, Virginia, Skyline Drive]. Sourced from the Library of… https://www.rawpixel.com/image/12252974/photo-image-person-animal-public-domainFree Image from public domain licensePittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Firing a blast of dynamite. Sourced… https://www.rawpixel.com/image/12290258/photo-image-face-plant-peopleFree Image from public domain licenseAbandoned coal mine. Garrett County, Maryland. Sourced from the Library of Congress. https://www.rawpixel.com/image/12274730/photo-image-public-domain-nature-iceFree Image from public domain licenseHome supervisor examining canned goods of rehabilitation borrower in food storage cave. Labette County, Kansas. Sourced from… https://www.rawpixel.com/image/12283186/photo-image-hand-person-public-domainFree Image from public domain licenseExterior of storage cave. Falls City Farmsteads, Nebraska. Sourced from the Library of Congress. https://www.rawpixel.com/image/12266475/photo-image-person-sky-public-domainFree Image from public domain licenseInside mine workings of Mr. Merritt Bundy at his farm near Penfield. He is a member of the Tri-County Farmers Co-op Market… https://www.rawpixel.com/image/12275187/photo-image-person-public-domain-manFree Image from public domain licenseMechanical cutting machine that increases coal production. Old Ben number eight mine. West Frankfort, Illinois (see 26980… https://www.rawpixel.com/image/12272941/photo-image-person-public-domain-natureFree Image from public domain license[Untitled photo, possibly related to: Shenandoah National Park, Virginia, Skyline Drive]. Sourced from the Library of… https://www.rawpixel.com/image/12252795/photo-image-mountain-public-domain-natureFree Image from public domain license