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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Verified places tagged “slieve gullion”

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🇬🇧 United Kingdom · Megalith

Ballykeel Portal Tomb

Middle Neolithic · Irish Portal Tomb

Tripod portal tomb at foot of Slieve Gullion on 30 m cairn with north cist, c.3500 BCE.