Daisenryō Kofun, Osaka

A Tomb the Size of a City Block

The Daisenryō Kofun stretches 486 m and took about fifteen years to build, commonly linked to Emperor Nintoku.

History of Japan — Kofun Megatombs and the Rise of Yamato

Dogū figurine of the late Jōmon period (1000–400 BC)

Clay Guardians

Haniwa—warriors and horses—ringed and filled these mounds, signaling elite power.

History of Japan — Kofun Megatombs and the Rise of Yamato