The arch at Hermit's Rest, Grand Canyon National Park, Arizona (c. 1928) by anonymous https://www.rawpixel.com/image/13759820/image-paper-plant-grassFree Image from public domain licenseHQ Mesa with CloudsCredit NPS/Lauren Carter. Original public domain image from Flickr https://www.rawpixel.com/image/4033718/photo-image-nature-beauty-landscapeFree Image from public domain licenseShafer TrailFog lingers above Shafer Trail. Credit: NPS/Cadence C. Cook. Original public domain image from Flickr https://www.rawpixel.com/image/4033682/photo-image-art-painting-natureFree Image from public domain licenseLispenard Stewart party, #6 - 5th Ave., N.Y. with trophies by old cedar tree, Mammoth Hot Springs, Yellowstone National Park… https://www.rawpixel.com/image/14278137/image-face-trophies-peopleFree Image from public domain licenseThe Tomb of the Unknown. Decoration Day. [Arlington National Cemetery, Virginia] by William M Chase https://www.rawpixel.com/image/14291178/photo-image-plant-tree-artFree Image from public domain licenseYo-Sem-i-te Valley, California. Oo-woo-you-wah (Great Rock of the Elk). Glacial Rock by Eadweard J Muybridge https://www.rawpixel.com/image/14312864/photo-image-art-mountain-public-domainFree Image from public domain licenseGlacier Point, Yosemite National Park, California: panoramic view: section one. Photograph, ca. 1880. https://www.rawpixel.com/image/14016300/photo-image-plant-tree-artFree Image from public domain licenseAbove the Bridge at Grotto Pool. Yellowstone National Park. by Frank Jay Haynes https://www.rawpixel.com/image/14291883/above-the-bridge-grotto-pool-yellowstone-national-park-frank-jay-haynesFree Image from public domain licenseYo-Sem-i-te Valley, California. Loya, (Sentinel Rock). 3,270 Feet above Valley by Eadweard J Muybridge https://www.rawpixel.com/image/14312642/photo-image-plant-tree-artFree Image from public domain licenseHotel Plateau, Yellowstone National Park. by Benjamin West Kilburn https://www.rawpixel.com/image/14295140/hotel-plateau-yellowstone-national-park-benjamin-west-kilburnFree Image from public domain licenseTower Falls and Canyon. Yellowstone National Park. by Frank Jay Haynes https://www.rawpixel.com/image/14292594/tower-falls-and-canyon-yellowstone-national-park-frank-jay-haynesFree Image from public domain licenseSilver King Fire. The Jackson Interagency Hotshot Crew assisted the National Park Service on the Silver King Fire, Big… https://www.rawpixel.com/image/8754210/photo-image-plant-art-smokeFree Image from public domain licenseYo-Sem-i-te Valley, California. Pohono, (Spirit of the Evil Wind). Bridal Vail [sic], 940 Feet Fall by Eadweard J Muybridge https://www.rawpixel.com/image/14311684/photo-image-art-mountain-public-domainFree Image from public domain licenseYellowstone National Park. The Grand River, Yellowstone River. by Charles Bierstadt https://www.rawpixel.com/image/14288509/photo-image-plant-tree-artFree Image from public domain licenseYo-Sem-i-te Valley, California. Tu-toch-ah-nu-lah, (Great Chief of the Valley). The Captain, 3,500 Feet above Valley by… https://www.rawpixel.com/image/14313527/photo-image-plant-tree-artFree Image from public domain licenseHikers at Grand View PointCredit: NPS/Neal Herbert. Original public domain image from Flickr https://www.rawpixel.com/image/4033669/photo-image-art-person-paintingFree Image from public domain licenseNavajo SandstoneCredit: NPS/Neal Herbert. Original public domain image from Flickr https://www.rawpixel.com/image/4033480/photo-image-art-painting-natureFree Image from public domain licenseMannoth [sic] Hot Springs, Yellowstone National Park. by Benjamin West Kilburn https://www.rawpixel.com/image/14294676/mannoth-sic-hot-springs-yellowstone-national-park-benjamin-west-kilburnFree Image from public domain licensePainter at Jewell Hollow Overlook. Original public domain image from Flickr https://www.rawpixel.com/image/9648605/photo-image-plant-person-public-domainFree Image from public domain licenseDaytona Beach, Florida. Bethune-Cookman College. Dr. Mary McLeod Bethune, founder and former president and director of the… https://www.rawpixel.com/image/12292339/photo-image-face-frame-personFree Image from public domain licenseWashington, D.C. Paul Dearing of the National Catholic Welfare Conference speaking to a Catholic Evidence Guild rally in… https://www.rawpixel.com/image/12296959/photo-image-face-plant-personFree Image from public domain license