The Haleakalā volcano on Maui features a very large crater with numerous cinder cones, Hosmer's Grove of alien trees, the Kipahulusection's scenic pools of freshwater fish, and the native Hawaiian goose. The park protects the greatest num... Read more >

This park on the Big Island protects the Kīlauea and Mauna Loavolcanoes, two of the world's most active geological features. Diverse ecosystems range from tropical forests at sea level to barren lava beds at more than 13,000 feet (4,000 m... Read more >