This national park in Utah is known for its peculiar rock formations.
This Oregon lake was created when a volcano collapsed thousands of years ago.
This Alaska national park was involved in a contentious naming dispute until 2015.
This famous wetland is home to many species of wading birds and reptiles, often observed by tourists on airboats.
Where is the Grand Canyon located?
Where is the majority of Yellowstone National Park located?
Several people have attempted to take a tumble down this massive waterfall on the Canadian border.
This Colorado Park is best known for its huge hogback formations (a type of narrow ridge).
Where are the Mendenhall Ice Caves located?
This New Hampshire mountain holds the record for the highest windspeed every directly observed by a human.