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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Passage tombs

26 places to sift through. Narrow by kind, country, period or how firmly each one is established — contested and pseudoarchaeological claims are labelled here, never hidden.

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Verified25 Widely accepted1 Contested0 Hypothetical0 Unverified0 Pseudoarchaeology0

26 places · page 2 of 2

armorican early neolithic1

Passage tombs

🇮🇪 Ireland · Megalith

Carrowkeel Passage Tomb Complex

Late Neolithic · Loughcrew-Carrowkeel passage tradition (Boyne variant)

14 hilltop passage cairns (10–21 m) on Bricklieve ridges above Lough Arrow, with cruciform chambers and light boxes.

✓VerifiedUNESCO

🇮🇪 Ireland · Megalith

Dowth

Neolithic · Boyne Valley Neolithic

Westernmost of three great Brú na Bóinne tombs, 85 m diameter, two passages and souterrain. Less restored, preserving original form. Associated winter sunset alignment.