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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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Tagszilum

#zilum

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

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Verification

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Verified1 Widely accepted0 Contested0 Hypothetical0 Unverified0 Pseudoarchaeology0

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Ancient cities1 Ancient villages1 Archaeological wonders1

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🇳🇬Nigeria1

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1 place

✓Verified

🇳🇬 Nigeria · Ancient city

Zilum (Chad Basin Proto-city)

Iron Age Sahel / Nok contemporary (550–350 BCE) · Gajiganna culture

12-ha 550 BCE Gajiganna proto-city with 5-m ditch and early Sahelian iron furnace.