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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Fortified settlements tagged “tagus”

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🇵🇹 Portugal · Ancient city

Castro of Vila Nova de São Pedro

Chalcolithic (c.3000–2000 BCE) · Vila Nova de São Pedro (Iberian Chalcolithic / Bell Beaker)

Iberian Chalcolithic type-site (3000–2000 BCE) — three-walled fortified settlement with bastions and copper workshop on Tagus plain.