✦ The Ancient Atlas

Yonaguni Monument

MegalithicAsiaJapan

Submerged rock formation off Japan with apparent terraces, right angles, and carved features. Debated: natural geology or a 10,000-year-old man-made structure lost to rising seas.

24.4350°, 122.9342°

Look Closer — this site carries open questions: stones heavier than the period's tools could lift; stones fitted without mortar, almost no gap; geometry beyond period explanation. See scale across the Atlas →
Open in the Atlas map →

Walkthrough videos (4)

This Mysterious Ancient Underwater Quarry Should NOT Exist | The Yonaguni MonumentThis Mysterious Ancient Underwater Quarry Should NOT Exist | The Yonaguni Monument · Bright InsightFreediving Yonaguni Pyramid — Aliens or Lost Civilization? | Yonaguni MonumentFreediving Yonaguni Pyramid — Aliens or Lost Civilization? | Yonaguni Monument · Freediver HDYonaguni Monument and the Plain of JarsYonaguni Monument and the Plain of Jars · Brothers of the SerpentJapan's Underwater City Found? | Expedition Unknown S2 E7 | Discovery Channel IndiaJapan's Underwater City Found? | Expedition Unknown S2 E7 | Discovery Channel India · Expedition Unknown

Nearby sites