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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Partially excavated caves in Spain · Mysteria

The catalogue

Partially excavated caves in Spain

1 place to sift through. Narrow by kind, country, period or how firmly each one is established — contested and pseudoarchaeological claims are labelled here, never hidden.

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Verified4 Widely accepted0 Contested0 Hypothetical0 Unverified0 Pseudoarchaeology0

1 place

palaeolithic to iron age1

🇪🇸 Spain · Cave

Akerdi Cave System

Upper Palaeolithic to Bronze Age · Magdalenian / Bronze Age

Karstic cave network in Navarre Pyrenees foothills with Upper Palaeolithic engravings and Holocene deposits, including Magdalenian mobiliary art and early Bronze Age burials.