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An atlas of Earth’s mysterious places — megaliths, pyramids, lost and sunken cities — with the evidence shown plainly: what is verified, what is contested, and what is still unknown.

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© 2026 Mysteria. Exploring the ancient world.Map © OpenFreeMap · OpenMapTiles · OpenStreetMap contributors

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Japan

141 places in the atlas, 24 of them inscribed as UNESCO World Heritage.

Kinds found here

Archaeological wonders54
Ancient villages49
Megaliths30
Tumuli30
Submerged sites18
Ancient cities12
Kofuns11
Tombs11
Temple complexes9
Ancient ports7
Stone circles7
Harbours5

How well established

Verified131
Accepted6
Contested2
Pseudo2

Top regions

Nara, Asuka12
Yonaguni11
Iwate Prefecture8
Aomori6
Aomori, Sannai-Maruyama2
Saga, Yoshinogari2

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Verification

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Verified131 Widely accepted6 Contested

Akita Prefecture, Kazuno City, Towada–Oyu district, Manza/Naka plain at foot of Towada caldera

1

Akita Prefecture, Kitaakita City, western Tōhoku (Jomon northern Honshu)1

Akita, Kitaakita1

Aomori Prefecture, Aomori City, Hakkoda foothills (eastern Aomori)1

Aomori Prefecture, Aomori City, Okidate1

Aomori Prefecture, Hachinohe City, Chōshichiyachi wetland near Korekawa (Nii River floodplain)1

2

Pseudoarchaeology2

Category

Archaeological wonders54 Ancient villages49 Megaliths30 Tumuli30 Submerged sites18 Ancient cities12 Kofuns11 Tombs11 Temple complexes9 Ancient ports7 Stone circles7 Harbours5 Middens5 Settlements5

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Heritage

UNESCO World Heritage only

Excavation

Partially excavated70 Excavated43 Excavation ongoing17 Unexcavated6 Not applicable3 Buried1 Submerged1

Tags

jomon29 submerged city17 tumulus16 yayoi16 ancient village12 nara11 yamato11 megalithic10 neolithic10 kofun9 asuka8 iwate prefec8 shell midden7 temple complex7 aomori6 bronze age6 ancient city5 iron age5

1 place

Ancient ports Excavation ongoing Clear all

🇯🇵 Japan · Submerged site

Northern Yonaguni Necropolis I — Yonaguni (58-46)

Medieval (regional) · Medieval

Northern Yonaguni Necropolis I — Yonaguni (58-46) at Yonaguni, Japan is a Medieval (regional) submerged city of the Medieval tradition, built c. 1200 BCE for necropolis and associated settlement.