View of the Yellowstone caldera from the Washburn Range.
View of the Yellowstone caldera from the Washburn Range -- the scene described by Lieutenant Doane of the Washburn expedition in 1870. The caldera extends to the base of the Red Mountains in the upper right of the photo. The rim of the Grand Canyon of the Yellowstone is in the foreground. National Park Service photo by Jacob Frank, July 1, 2017.