Yellowstone National Park
Yellowstone National Park has one of the world's largest petrified forests, trees which were long ago buried by ash and soil and transformed from wood to mineral materials. This ash and other volcanic debris are believed to have come from the park area itself as the central part of Yellowstone is the massive caldera of a supervolcano. The park contains 290 waterfalls of at least , the highest being the Lower Falls of the Yellowstone River at .
Electric Peak
Electric Peak is the tallest mountain in the Gallatin Range of southern Montana, close to the Wyoming border and rises to an altitude of . The peak has some of the greatest physical relief in Yellowstone National Park, rising above its base.