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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Verified places tagged “tiber delta”

1 place 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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Verified

🇮🇹 Italy · Submerged site

Portus – Imperial Harbour of Rome

Roman Imperial (42 CE – 6th century CE) · Roman

Rome's vast Claudian and Trajanic artificial harbours now inland through siltation, once Rome's maritime gateway.