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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Stone circles tagged “cromlech”

2 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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2 places

Stone circles

🇫🇷 France · Megalith

Er Lannic Stone Circles

Early to Late Neolithic · Morbihan Atlantic

Tidal double stone circle on Er Lannic island, Gulf of Morbihan, half-submerged, 4500 BCE.

✓Verified

🇵🇹 Portugal · Megalith

Almendres Cromlech

Early to Late Neolithic · Alentejo Megalithic

Largest megalithic complex in Iberia and among oldest in Europe: 95 granite menhirs/stones in double oval (E-W aligned), decorated with cup-marks and croziers, set in cork-oak forest near Almendres.