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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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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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Archaeological wonders1 Hydraulic works1

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✓Verified

🇪🇬 Egypt · Hydraulic works

Sadd el-Kafara South Auxiliary Dam (Wadi Garawi South Bank)

Old Kingdom early 4th Dynasty · Old Kingdom Egyptian (Memphite)

South bank companion wing (62 m) to Sadd el-Kafara Old Kingdom unfinished dam (2703 BCE): spillway side with mason marks.