A slot canyon, formed by rushing water through porous rock. In this case, red sandstone. Original image from Carol M.…
https://www.rawpixel.com/image/421963/free-photo-image-arizona-canyons-black-and-white-landscape-photography-grayscaleFree Image from public domain license
Stunning Light Shaft, Arizona Slot Canyon. Original image from Carol M. Highsmith’s America, Library of Congress…
Light beams into an Arizona "slot canyon" near Page. Original image from Carol M. Highsmith’s America, Library of…
https://www.rawpixel.com/image/421973/free-photo-image-black-and-white-landscape-photography-background-carol-highsmithFree Image from public domain license
Slot Canyons. Gently carved from the Navajo sandstone over the course of countless millenniums. Original image from Carol M.…
Infrared view of Badlands National Park in South Dakota, USA. Original image from Carol M. Highsmith’s America…
https://www.rawpixel.com/image/433769/free-photo-image-black-and-white-photos-national-park-travel-carol-highsmithblackFree Image from public domain license
Joshua Trees dot the desert in the Mojave National Preserve in California. Original image from Carol M. Highsmith’s…