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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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Tagshippo-regius

#hippo regius

1 place carries this tag, across every kind and continent it appears in.

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Verified1 Widely accepted0 Contested0 Hypothetical0 Unverified0 Pseudoarchaeology0

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Ancient cities1 Harbour complexes1 Submerged sites1

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🇩🇿Algeria1

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1 place

✓Verified

🇩🇿 Algeria · Ancient city

Hippo Regius – Submerged Harbour of Augustine at Annaba

Phoenician to Arab (12th c. BCE – 7th c. CE; Augustinian 354–430 peak) · Phoenician / Numidian / Roman

Augustine coastal capital — Numidian-Roman 60 ha city whose Seybouse estuary moles now 1–3 m offshore.