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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Places tagged “cave” in Portugal · Mysteria

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Places tagged “cave” in Portugal

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🇵🇹 Portugal

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🇵🇹 Portugal · Cave

Pen Rig Mere Grotto

Andean Formative (1800–200 BCE) · Andean Formative

Pen Rig Mere Grotto in Alentejo, Portugal is a Andean Formative (1800–200 BCE) cave attributed to Andean Formative culture.