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 .
Amicalola Falls
Amicalola Falls is a 729-foot (222 m) waterfall on Amicalola Creek in Dawson County, Georgia, United States. It the highest waterfall in Georgia and is considered to be one of the Seven Natural Wonders of Georgia. The name "Amicalola" is derived from a Cherokee language word meaning "tumbling waters". The falls are the centerpiece of Amicalola Falls State Park.