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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Widely accepted, partially excavated citadels

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🇬🇧 United Kingdom · Fortress

Fortress of Kistvaen Barrow

Late Bronze Age (1550–1050 BCE) · Late Bronze Age

Fortress of Kistvaen Barrow in Somerset, South West England, United Kingdom is a Late Bronze Age (1550–1050 BCE) fortress attributed to Late Bronze Age culture.