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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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Tagsslieve-gullion

#slieve gullion

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

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Verification

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Verified1 Widely accepted0 Contested0 Hypothetical0 Unverified0 Pseudoarchaeology0

Category

Chambered cairns1 Megaliths1 Portal tombs1

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🇬🇧United Kingdom1

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UNESCO World Heritage only

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Partially excavated1

1 place

✓Verified

🇬🇧 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.