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 .
Friendship Fountain
Friendship Fountain is a large fountain in Jacksonville, Florida. It is in St. Johns River Park (also known as Friendship Fountain Park) at the west end of Downtown Jacksonville's Southbank Riverwalk attraction. The world's largest and tallest fountain when it opened, it has been one of Jacksonville's most recognizable and popular attractions.