Sakai — Mozu Kofun Tombs (UNESCO)
The largest tomb in the world by area — the Daisen Kofun (burial mound of Emperor Nintoku) is 486 metres long, larger than the Great Pyramid of Giza by footprint. Designated UNESCO World Heritage in 2019, the keyhole-shaped moated mound is visible only from the air or from the surrounding green belt path.
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The Daisen Kofun (burial mound of Emperor Nintoku) is the world's largest burial mound by area — bigger than the Great Pyramid of Giza. The moat walking circuit takes 40 minutes; the mound itself is sacred and closed to entry. The UNESCO listing in 2019 increased visitor numbers but the site remains genuinely serene. The city museum gives excellent historical context.
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