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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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© 2026 Mysteria. Exploring the ancient world.Map © OpenFreeMap · OpenMapTiles · OpenStreetMap contributors

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Tagsridge-fort

#ridge fort

1 place carries this tag, across every kind and continent it appears in.

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Verified1 Widely accepted0 Contested0 Hypothetical0 Unverified0 Pseudoarchaeology0

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Archaeological wonders1 Megaliths1

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✓Verified

🇵🇪 Peru · Megalith

La Congona Fortress

Late Intermediate Chachapoya 1100–1470 CE · Chachapoya

Ridge-top Chachapoya defensive hill-fort, 1100–1470 CE.