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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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Spates · Mysteria

CategoriesSpates

Spates

Every place in the atlas labelled spates.

Places: 1
Countries: 1
World Heritage: 0

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Verified1 Widely accepted0 Contested0 Hypothetical0 Unverified0 Pseudoarchaeology0

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hadramawt1 himyarite1 hydraulic1 jirdan1 spate1 zaydi1

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✓Verified

🇾🇪 Yemen · Hydraulic works

Wadi Jirdan East Spate Dam (Eastern Hadramawt Jirdan Spate Canal System)

Himyarite to Zaydi 380–980 CE Hadramawt east · Himyarite Jirdan Hadramawt then Zaydi highland (Yemen)

Dual spate weirs 85+62×2.8 m gabion with 4 spillways 12 m feeding 6.2 km distributary 38 ha: Himyarite 380 Zaydi 980.