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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Spate systems in Yemen · Mysteria

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Spate systems in Yemen

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Spate systems

🇾🇪 Yemen

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✓VerifiedUNESCO

🇾🇪 Yemen · Hydraulic works

Wadi Zabid Spate Dam (Tihama Spate Outlets)

Islamic Ziyadid to Rasulid (9th–15th c.) · Tihama Ziyadid–Rasulid

Zabid Tihama: 5 earthen ogma spate spurs forming 35 km² delta at UNESCO Zabid 14.20N.