National Park of American Samoa

The National Park of American Samoa is a national park of the United States located in the territory of American Samoa, distributed across three islands: Tutuila, Ofu, and Taʻū. The park preserves and protects coral reefs, tropical rainforests, fruit bats, and the Samoan culture. Popular activities include hiking and snorkeling. Of the park's 8,257 acres (3,341 ha), 2,500 acres (1,000 ha) is coral reefs and ocean. The park is the only American National Park Service system unit south of the equator. The national park encompasses the ridgeline and steep northern slopes of Tutuila, the beach and coral reef at the Toʻaga site on Ofu’s southeast coast, and nearly two-thirds of Taʻū Island.

Source: wikipedia