So with suggestions from the National Park Foundation, HuffPost has compiled a list of lesser-known places run by the National Park Service. Quick pitch: The violent eruption of a volcano destroyed this former peak and created the deepest lake in the United States. Quick pitch: Near Las Vegas, the Hoover Dam has created this reservoir, the largest in the United States. Quick pitch: Close to Key West, with well-preserved coral reefs and sea life. Quick pitch: Dense and lush forest with some of the tallest trees on the East Coast.

Source: Huffington Post January 12, 2018 17:03 UTC