Bada Valley
Indonesia
The Bada Valley and Napu Valley, located in the Lore Lindu National Park in Central Sulawesi, Indonesia, contains hundreds of megaliths of undetermined age that are called watu ("stone") in the local Badaic languages and arca ("statue") in Indonesian. The purpose of the megaliths and their builders are unknown.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).