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 matching “Orkney”

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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Verified38 Widely accepted1 Contested0 Hypothetical0 Unverified0 Pseudoarchaeology0

2 places

Burial cairns

🇫🇷France

“Orkney”

🇬🇧 United Kingdom · Megalith

Ring of Brodgar

Late Neolithic · Grooved Ware Orcadian

Massive henge and stone circle 104 m diameter, originally 60 stones (36 surviving). Enclosed by rock-cut ditch up to 10 m wide. Core of Heart of Neolithic Orkney.

✓VerifiedUNESCO

🇬🇧 United Kingdom · Megalith

Standing Stones of Stenness

Late Neolithic · Grooved Ware Orcadian

Four surviving uprights of oval henge circle originally 12 stones up to 5.7 m tall on promontory between lochs. One of earliest henges in Britain (c.3100 BCE).