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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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© 2026 Mysteria. Exploring the ancient world.Map © OpenFreeMap · OpenMapTiles · OpenStreetMap contributors

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Tagsfish-weir

#fish weir

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

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Verification

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Verified1 Widely accepted0 Contested0 Hypothetical0 Unverified0 Pseudoarchaeology0

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Lagoons1 Ancient ports1

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1 place

✓Verified

🇱🇾 Libya · Ancient port

Paraetonium East Creek (Marsa Matruh Lagoon Annex)

Ptolemaic to Byzantine (3rd c. BCE–7th c. CE) · Ptolemaic / Roman

Lagoon annex east of Paraetonium with fish weir and warehouse strip.