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.

Data CC BY-SA 4.0 · Photos per credit

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CountriesIE

Ireland

182 places in the atlas, 11 of them inscribed as UNESCO World Heritage.

Kinds found here

Megaliths147
Passage tombs23
Earthworks13
Archaeological wonders10
Ancient villages9
Portal dolmens8
Wedge tombs6
Ancient cities4
Hillforts4
Passage mounds4
Rock art sites4
Stone circles4

How well established

Verified170
Accepted6
Contested3
Hypothetical2
Pseudo1

Top regions

County Tyrone92
County Kerry13
County Meath11
County Sligo10
The Burren, County Clare7
County Meath, Leinster5

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Verified170 Widely accepted6 Contested3

County Clare, Burren

County Donegal, Ulster2

County Sligo, Connacht2

Atlantic Ocean west of Galway/Clare coast (~321 km west)1

Atlantic west of Ireland – Bristol phantom 1480 antecedent to Hy-Brasil1

Atlantic, south of Porcupine Bank phantom1

Hypothetical2

Unverified0

Pseudoarchaeology1

Heritage

UNESCO World Heritage only

Excavation

Partially excavated121 Excavated45 Excavation ongoing10 Unexcavated3 Not applicable3

3 places

Unexcavated

?Contested

🇮🇪 Ireland · Pyramid

Step Pyramid of Northfield Bal

Byzantine (330–1453 CE) · Byzantine

Step Pyramid of Northfield Bal in County Kerry, Ireland is a Byzantine (330–1453 CE) pyramid attributed to Byzantine culture.

?Contested

🇮🇪 Ireland · Tumulus

Estuary West Burial Mound

Ubaid (6500–3800 BCE) · Ubaid

Estuary West Burial Mound in County Kerry, Ireland is a Ubaid (6500–3800 BCE) tumulus attributed to Ubaid culture.

✓Verified

🇮🇪 Ireland · Megalith

Kilclooney More Dolmen

Early Neolithic (3800–3600 BCE) · Northwest Irish Neolithic

Kilclooney More portal dolmen on the Donegal coast north of Ardara, a dramatic tripod dolmen with tilted capstone on slender portal orthostats overlooking Donegal Bay; intact burial chamber never…