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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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Tagsbug

#bug

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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Ancient cities1 Harbour complexes1 Submerged sites1

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🇺🇦Ukraine1

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UNESCO World Heritage only

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1 place

✓Verified

🇺🇦 Ukraine · Submerged site

Olbia Pontica — Bug Estuary Southern Lower Town Grid

Archaic to Late Antiquity (590 BCE – 270 CE) · Milesian Greek / Scythian / Roman provincial

Southern drowned suburb of Olbia — courtyard houses and street 0.5–3 m under Bug Liman reedbed.