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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CountriesES

Spain

43 places in the atlas, 18 of them inscribed as UNESCO World Heritage.

Kinds found here

Megaliths16
Archaeological wonders11
Rock art sites8
Passage graves7
Ancient cities6
Dolmens6
Contested sites5
Hypothetical places5
Ancient villages4
Cave paintings4
Tholoses4
Ancient technologies2

How well established

Verified36
Accepted1
Contested1
Hypothetical5

Top regions

Cantabria3
Andalusia, Málaga Province (Antequera)2
Balearic Islands, Menorca2
Castile and León, Salamanca2
Andalusia, Almería1
Andalusia, Cádiz1

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Verified36 Widely accepted1

Andalusia, Huelva

Andalusia, Huelva & Cádiz provinces, Guadalquivir estuary, Doñana National Park, Cerro del Villar1

Andalusia, Huelva shelf – Tartessos Doñana foreshore1

Andalusia, Málaga Province1

Andalusia, Málaga Province, Antequera1

Contested

Heritage

UNESCO World Heritage only

Excavation

Excavated16 Partially excavated11 Excavation ongoing10 Not applicable5 Submerged1

1 place

Ancient cities Hypothetical Clear all

◌Hypothetical

🇪🇸 Spain · Ancient city

Atlantis Tartessos Shelf – Huelva Shelf Tartessic Atlantis

Claimed Tartessic Bronze 1000 BCE (rectangle sand ridge Holocene) · Tartessic / Spectral artefact

Huelva shelf Tartessos variant of Doñana rectangle — Hinojos cores show sand ridge not city