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 .
Bechler Falls
Bechler Falls ht. is a waterfall on the Bechler River in Yellowstone National Park. Bechler Falls is the last waterfall on the Bechler River and is approximately from the confluence with the Fall River. It can be reached via the Bechler River trail approximately from the Cave Falls trailhead at the south boundary of the park. The falls were named in 1921 by explorers E. C. Gregg and C.H. Birdseye.