Shafts and Cathedral Spires, Cave of the Winds by William E Hook https://www.rawpixel.com/image/14274263/shafts-and-cathedral-spires-cave-the-winds-william-hookFree Image from public domain licenseWar Horse Comanche.[Capt. Myles Keoghs' horse "Comanche" who was wounded by numerous arrows & bullet wounds at Little Big… https://www.rawpixel.com/image/14293431/photo-image-arrows-horse-personFree Image from public domain licenseWar Horse Comanche.[Capt. Myles Keoghs' horse "Comanche" who was wounded by numerous arrows & bullet wounds at Little Big… https://www.rawpixel.com/image/14294037/photo-image-arrows-horse-personFree Image from public domain licensePillars Capped with Petrifications. Bad Lands. by Frank Jay Haynes https://www.rawpixel.com/image/14293368/pillars-capped-with-petrifications-bad-lands-frank-jay-haynesFree Image from public domain licenseFormation at Mammoth Hot Springs. Yellowstone National Park. by Frank Jay Haynes https://www.rawpixel.com/image/14294215/photo-image-art-mountain-animalFree Image from public domain licenseRed Sandstone Rock between Hot Springs and Fall River Falls, S.D. by W R Cross https://www.rawpixel.com/image/14290381/red-sandstone-rock-between-hot-springs-and-fall-river-falls-sd-crossFree Image from public domain licenseTower Falls - Near Yellowstone River. by Frank Jay Haynes https://www.rawpixel.com/image/14293325/tower-falls-near-yellowstone-river-frank-jay-haynesFree Image from public domain licenseGibbon Canyon - Lone Tree Rock. Yellowstone National Park. by Frank Jay Haynes https://www.rawpixel.com/image/14293882/gibbon-canyon-lone-tree-rock-yellowstone-national-park-frank-jay-haynesFree Image from public domain license