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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Hypogeums · Mysteria

CategoriesHypogeums

Hypogeums

Every place in the atlas labelled hypogeums.

Places: 2
Countries: 2
World Heritage: 1

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Verified1 Widely accepted0 Contested0 Hypothetical0 Unverified0 Pseudoarchaeology0

2 places

Excavated

✓Verified

🇮🇹 Italy · Rock-cut

Calaforno Hypogeum — Monterosso

Early Bronze Age (2200–1500 BCE) · Sicilian Castelluccio

Calaforno Hypogeum — Monterosso in Sicily, Italy is a Early Bronze Age (2200–1500 BCE) rock_cut attributed to Sicilian Castelluccio.

✓VerifiedUNESCO

🇲🇹 Malta · Megalith

Ħal Saflieni Hypogeum

Late Neolithic – Chalcolithic · Maltese Temple culture (Żebbuġ to Tarxien)

Three-level underground necropolis/sanctuary carved in limestone, 10.6 m deep, halls including Oracle Room with acoustic resonance. Only prehistoric underground temple in world.