Dresden. Hotel Victoria. by Frantisek Josef Arnost Fridrich https://www.rawpixel.com/image/14303865/dresden-hotel-victoria-frantisek-josef-arnost-fridrichFree Image from public domain licenseSummits of Sierras, 8,000 to 10,000 feet altitude by Alfred A Hart and Carleton Watkins https://www.rawpixel.com/image/14257821/photo-image-frame-plant-treeFree Image from public domain licenseDonner Lake and Eastern Summit, From the Road on the Western Summit. by Lawrence and Houseworth https://www.rawpixel.com/image/14257249/photo-image-plant-tree-artFree Image from public domain license