Ha'amonga 'a Maui
Niutoua, Tonga · built 1300
Haamonga a Maui ("The Burden of Maui") is a stone trilithon located in Tonga, on the eastern part of the island of Tongatapu, in the village of Niutōua, in Heketā. It was built in the 13th century by King Tuitātui in honor of his two sons. The monument is sometimes called the "Stonehenge of the Pacific".
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).