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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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Tagspenwith-chambered

#penwith chambered

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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Chambered tombs1 Megaliths1

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🇬🇧United Kingdom1

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✓Verified

🇬🇧 United Kingdom · Megalith

Trethevy Quoit — Tremar

Neolithic (3500–3200 BCE) · Penwith chambered

Trethevy Quoit — Tremar in Cornwall, East Cornwall, United Kingdom is a Neolithic (3500–3200 BCE) megalithic attributed to Penwith chambered culture.