✦ The Ancient Atlas

Osaka Castle

MegalithicAsiaJapan

Massive granite megaliths in the castle walls, the largest weighing ~130 tons (the 'Octopus Stone' / Takoishi). Quarried from islands 60+ km away and moved across water without modern equipment in the early 1600s.

34.6873°, 135.5262°

Look Closer — this site carries open questions: stones heavier than the period's tools could lift; stone harder than steel. See scale across the Atlas →
Open in the Atlas map →

Walkthrough videos (3)

The Enormous Megaliths of Osaka Castle in JapanThe Enormous Megaliths of Osaka Castle in Japan · Ancient ArchitectsHow Japanese Polygonal Megalithic Walls Differ from those in Peru?How Japanese Polygonal Megalithic Walls Differ from those in Peru? · Curious BeingPre-Historic Mega Structures of Japan (Osaka Castle section)Pre-Historic Mega Structures of Japan (Osaka Castle section) · Universe Inside You

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