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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Megaliths tagged “preseli”

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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Verified2 Widely accepted0 Contested0 Hypothetical0 Unverified0 Pseudoarchaeology0

2 places

Megaliths

🇬🇧 United Kingdom · Megalith

Pentre Ifan

Early Neolithic · Preseli Early Neolithic

Wales' largest portal dolmen with 16-tonne capstone on three 2.4 m orthostats.

✓Verified

🇬🇧 United Kingdom · Megalith

Gors Fawr Stone Circle — Mynachlog-ddu

Late Neolithic (c.3000–2500 BCE) · Welsh Late Neolithic (Preseli Groove)

Gors Fawr (Late Neolithic c.3000–2500 BCE) is a 22-m perfect circle of 16 Preseli dolerite pillars, 0.6–1.8 m high, on moorland at Mynachlog-ddu beneath the Preseli ridge that sourced Stonehenge…