Located in Nevada, Great Basin National Park has both warm desert valleys and mountains that reach up to 13,000 feet.
Virgin Islands National Park comprises two-thirds of the island of St. John and almost all of nearby Hassel Island.
Mesa Verde National Park in Colorado protects nearly 5,000 archaeological sites that have preserved the history of the ancestral Pueblo people.
Glacier National Park in Montana is responsible for housing streams that flow into the Pacific Ocean, the Gulf of Mexico, and Hudson’s Bay.