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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Excavated places tagged “chambered tomb”

4 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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Verified6 Widely accepted0 Contested0 Hypothetical0 Unverified0 Pseudoarchaeology0

4 places

Long barrows

Excavated

🇬🇧 United Kingdom · Megalith

King Arthur's Stone (Herefordshire)

Early Neolithic · Cotswold-Severn

32-tonne Herefordshire Cotswold-Severn tomb — nine uprights under 25 m mound on Golden Valley ridge.

✓Verified

🇬🇧 United Kingdom · Megalith

Grey Cairns of Camster

Neolithic (c.3500–3000 BCE) · Orkney-Cromarty Neolithic (Caithness)

Flow Country pair of vast Orkney-Cromarty cairns — 60 m long horned cairn with two chambers and intact round cairn.

✓Verified

🇬🇧 United Kingdom · Megalith

Stoney Littleton Long Barrow

Early Neolithic (~3750 BCE) · Cotswold-Severn Neolithic

One of Somerset's finest Severn-Cotswold tombs extending 30 m with a distinctive trapezoidal mound and seven lateral chambers opening from a central passage.

✓Verified

🇬🇧 United Kingdom · Megalith

Hetty Pegler's Tump (Uley Long Barrow)

Early Neolithic · Cotswold-Severn

Cotswold-Severn long barrow on Uley escarpment, 37 m with transepted chambers, c.3750 BCE.