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
National Museum of Indonesia the old wing or Gedung Gajah is under major renovation, while the Gedung C is under construction. The museum has a collection of 61,600 prehistoric and anthropological artifacts, and 5,000 archeological artifacts from all over Indonesia and Asia. The museum collections is among the richest, the most complete, and the best of its kind in Indonesia and one of the finest in Southeast Asia. The museum has comprehensive collections of stone statues of classical Hindu-Buddhist period of ancient Java and Sumatra, a kaleidoscope of highly diverse collection of Indonesian ethnography artifacts, as well as quite extensive collections of Asian ceramics.