Matsumotozuka Kofun
Saito, Japan
Matsumotozuka Kofun is a Kofun period keyhole-shaped burial mound, located in the Sannō neighborhood of the city of Saito, Miyazaki in Kyushu, Japan. The tumulus was designated a National Historic Site of Japan in 1944. It is also called the Funazuka Kofun as it appears to be shaped like a ship.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).