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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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Tagsgrain-pit

#grain pit

1 place carries this tag, across every kind and continent it appears in.

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Verification

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Verified0 Widely accepted1 Contested0 Hypothetical0 Unverified0 Pseudoarchaeology0

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Ancient villages1 Fortresses1

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🇳🇬Nigeria1

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🇳🇬 Nigeria · Ancient village

Surame Outlier Hillforts

Kebbi Empire (15th–18th c.) · Kebbi / Zamfarawa

Chain of 4 hilltop outlier forts with 1.5 km walls each protecting Surame fields.