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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Unexcavated tumuli in Portugal · Mysteria

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Unexcavated tumuli in Portugal

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🇵🇹 Portugal · Tumulus

Baraka Burial Mound

Chalcolithic (4500–3300 BCE) · Chalcolithic

Baraka Burial Mound in Alentejo, Portugal is a Chalcolithic (4500–3300 BCE) tumulus attributed to Chalcolithic culture.