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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Chambered cairns tagged “cruciform”

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#cruciform

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🇬🇧 United Kingdom · Megalith

Barclodiad y Gawres

Late Neolithic · Irish Sea passage grave tradition

Anglesey cruciform passage grave with spiral-decorated stones and 27 m cairn on coastal headland.