American Samoa is a U.S. territory covering 7 South Pacific islands and atolls. Tutuila, the largest island, is home to the capital Pago Pago, whose natural harbor is framed by volcanic peaks including 1,716-ft.-high Rainmaker Mountain. Divided between the islands Tutuila, Ofu and Ta‘ū, the National Park of American Samoa highlights the territory's tropical scenery with rainforests, beaches and reefs.