A medieval castle on a hill near a town in Luxembourg. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3291409/free-photo-image-cottage-architecture-buildingFree Image from public domain licenseDonoho BasinNPS photo by Neal Herbert. Original public domain image from Flickr https://www.rawpixel.com/image/3392373/free-photo-image-abies-basin-buildingFree Image from public domain licenseView of the ocean waves from coastal cliffs. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3287301/free-photo-image-adventure-architecture-beach-images-picturesFree Image from public domain licenseArchaeological party at lunch on crest of inland cliff directly above Paekakariki railway station (18 September 1960) by… https://www.rawpixel.com/image/13031264/image-cloud-plant-personFree Image from public domain licensePigeon Point Light Station in San Francisco Bay, California USA https://www.rawpixel.com/image/430225/free-photo-image-lighthouse-san-francisco-house-blue-seaView licenseRustic cabin in the mountainsides of Berggasthaus Aescher-Wildkirchli. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3292550/free-photo-image-animal-animals-images-pictures-artFree Image from public domain licensePothole Point TrailCredit: NPS/Emily Ogden. Original public domain image from Flickr https://www.rawpixel.com/image/4033489/photo-image-cloud-ocean-natureFree Image from public domain licenseHong Kong: docks and harbour from the cliffs. Photograph by W.P. Floyd, ca. 1873. https://www.rawpixel.com/image/13996776/photo-image-dog-cloud-personFree Image from public domain licenseAn overgrown cliff under mist. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3292606/free-photo-image-abies-adventure-buildingFree Image from public domain licenseA mountain with an evergreen forest on its side in Col de la Cayolle. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3288394/free-photo-image-alps-basin-best-stone-pictures-imagesFree Image from public domain licenseYellow wooden cabins at Lofoten, Norway https://www.rawpixel.com/image/2314994/premium-photo-image-nordic-nature-arctic-bayView licenseHouse on the hill in Sorrento, Italy https://www.rawpixel.com/image/1198379/sorrento-italyView licenseGuy's Cliff - General View from the Mill Meadow. by Francis Bedford https://www.rawpixel.com/image/14306691/guys-cliff-general-view-from-the-mill-meadow-francis-bedfordFree Image from public domain licenseAn azure lake at the foot of the Grossglockner mountain on a warm evening. Original public domain image from Wikimedia… https://www.rawpixel.com/image/3290986/free-photo-image-abies-alps-austriaFree Image from public domain licenseA canyon wall enveloped by a dusty road on a hot day. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3294240/free-photo-image-architecture-building-bushFree Image from public domain licenseA tall jagged mountain in faint sunlight. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3293013/free-photo-image-abies-building-cc0Free Image from public domain licenseA jagged moss-covered mountain with a faint rainbow to its side. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3295139/free-photo-image-animal-beautiful-pictures-images-birdFree Image from public domain licenseA dark turquoise lake in the middle of a green mountain valley. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3294031/free-photo-image-basin-building-cc0Free Image from public domain licenseThe Cliff House and Environs, San Francisco. by Carleton Watkins https://www.rawpixel.com/image/14299267/the-cliff-house-and-environs-san-francisco-carleton-watkinsFree Image from public domain licenseAt the Cliff House, San Francisco (#773) by Carleton Watkins https://www.rawpixel.com/image/14311325/the-cliff-house-san-francisco-773-carleton-watkinsFree Image from public domain licenseA serene lake, giant mountains, and a cloudy blue and grey sky. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3287720/free-photo-image-adventure-building-caveFree Image from public domain licenseOkanogan-Wenatchee National Forest, Mt Stewart. Original public domain image from Flickr https://www.rawpixel.com/image/4075170/photo-image-bird-nature-mountainFree Image from public domain licenseMt Margaret Backcountry, Gifford Pinchot National Forest. Original public domain image from Flickr https://www.rawpixel.com/image/4075003/photo-image-tree-plant-natureFree Image from public domain licenseAt the Cliff House, Seal Rocks, San Francisco. by Carleton Watkins https://www.rawpixel.com/image/14300643/the-cliff-house-seal-rocks-san-francisco-carleton-watkinsFree Image from public domain licenseCape Town by the sea, South Africa https://www.rawpixel.com/image/473361/free-photo-image-blue-sky-cape-town-cityView licenseView from bottom of rocky cliffs with sun flare. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3294610/free-photo-image-adventure-architecture-buildingFree Image from public domain licensePink flowers climbing up a rocky face in the mountains. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3292374/free-photo-image-adventure-basin-buildingFree Image from public domain licenseMoonlight Effect, Seal Rocks, from the Cliff House. by Eadweard J Muybridge https://www.rawpixel.com/image/14296456/moonlight-effect-seal-rocks-from-the-cliff-house-eadweard-muybridgeFree Image from public domain licenseCliff House, San Francisco, Cal. by Benjamin West Kilburn https://www.rawpixel.com/image/14295590/cliff-house-san-francisco-cal-benjamin-west-kilburnFree Image from public domain licenseThe Our Lady statue sits atop the East Ridge near Butte, Montana, before sunrise September 15, 2019.USDA Photo by Preston… https://www.rawpixel.com/image/3260410/free-photo-image-abies-beaverhead-deerlodge-national-forest-buildingFree Image from public domain licenseIndustrial structures in the desert mountainside of Masada National Park. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3287703/free-photo-image-archaeology-architecture-buildingFree Image from public domain licensePassing by a tiny house - peaceful scenery despite the stormy weather. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3371330/free-photo-image-architecture-building-cc0Free Image from public domain licenseThe peak of Mount Dickermann with a valley surrounded by mountains in the background. Original public domain image from… https://www.rawpixel.com/image/3291054/free-photo-image-abies-adventure-animalFree Image from public domain licenseThe Cliff House and Environs, San Francisco. [first view] by Carleton Watkins https://www.rawpixel.com/image/14310693/the-cliff-house-and-environs-san-francisco-first-view-carleton-watkinsFree Image from public domain licenseEagle Cliff from Echo Lake. [White Mountain] by John B Heywood https://www.rawpixel.com/image/14292733/eagle-cliff-from-echo-lake-white-mountain-john-heywoodFree Image from public domain licenseGuy's Cliff - The Avenue from the Road. by Francis Bedford https://www.rawpixel.com/image/14307172/guys-cliff-the-avenue-from-the-road-francis-bedfordFree Image from public domain licenseHalf Dome In Yosemite Park. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3370902/free-photo-image-abies-basin-buildingFree Image from public domain licensePredjama Castle. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3338422/free-photo-image-architecture-bench-buildingFree Image from public domain licenseThe Findhorn. Glenferness. by Ronald Ruthven Leslie Melville https://www.rawpixel.com/image/14326518/the-findhorn-glenferness-ronald-ruthven-leslie-melvilleFree Image from public domain licenseRock and cliff formations seen from Horse Pasture Trail in Dark Canyon Wilderness. Moab/Monticello Ranger District, Manti La… https://www.rawpixel.com/image/3391173/free-photo-image-archaeology-architecture-buildingFree Image from public domain licenseKhorshid Park, Mashhad, Iran. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3292030/free-photo-image-adventure-aerial-view-animalFree Image from public domain licenseAt the Cliff House, San Francisco. by Carleton Watkins and I W Taber https://www.rawpixel.com/image/14300845/the-cliff-house-san-francisco-carleton-watkins-and-taberFree Image from public domain licenseProvo Canyon, Orem, United States. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3293124/free-photo-image-abies-archaeology-architectureFree Image from public domain licenseEcho City, Looking up Weber River, Utah Territory. by A J Russell https://www.rawpixel.com/image/14277091/echo-city-looking-weber-river-utah-territory-russellFree Image from public domain license