Indonesia a rich cultural heritage that reflects Indonesia's dynamic history and ethnic diversity. Indonesia has a well-preserved natural ecosystem with rain forests that stretch over about 57% of Indonesia's land (225 million acres). Forests on Sumatra and Kalimantan are examples of popular destinations, such as the Orangutan wildlife reserve. Moreover, Indonesia has one of world's longest coastlines, measuring . The ancient Prambanan and Borobudur temples, Toraja and Bali, with its Hindu festivities, are some of the popular destinations for cultural tourism. Indonesia has 8 UNESCO World Heritage Sites, including the Borobudur Temple Compounds and the Komodo National Park; and a further
Christianity in Indonesia 0.07% of Christians within Indonesia. Gorontalo had the fourth-smallest percentage (among religions reported in the province) of Christians (1.67%), including the smallest percentage of Catholics (0.07%) and seventh-smallest percentage of Protestants (1.59%). The region of Central Sulawesi is overall 17% Protestant; however, this ranges from 3% in Buol, to the west of North Sulawesi, up to 56%, in the central Poso Regency. Only in the Banggai islands (4%) has a Catholic populations exceeding 1%. Sigi, a neighboring city of Poso, also has a large Protestant population, at 34%. West Sulawesi is 99%+ Islamic in the south, but Mamasa, part of