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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Verified places tagged “zilum”

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🇳🇬 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.