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 State Park
Amicalola Falls State Park & Lodge is an Georgia state park located between Ellijay and Dahlonega in Dawsonville, Georgia. The park's name is derived from a Cherokee language word meaning "tumbling waters". The park is home to Amicalola Falls, a waterfall that is the highest in Georgia. However, an analysis conducted by the World Waterfall Data base suggests that the main part of the falls is in height, followed by a prolonged gently sloping run in which the flow drops another . It is considered to be one of the Seven Natural Wonders of Georgia. An trail that winds past Amicalola Falls and leads to Springer Mountain, famous as the southern terminus of the Appalachian Trail, begins in the park. Amicalola Falls State Park also offers many hiking trails, a guest lodge, restaurant, cabins, a shelter for long-distance Appalachian Trail hikers, a campground, and access to the eco-friendly Len Foote Hike Inn.