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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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The house

Thaumatica
Libra Esoterica
UAP Nexus
Aletheca
Lonely Island

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

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The catalogue

Excavated places tagged “irrigation”

2 places to sift through. Narrow by kind, country, period or how firmly each one is established — contested and pseudoarchaeological claims are labelled here, never hidden.

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Verification

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Verified11 Widely accepted1 Contested0 Hypothetical0 Unverified0 Pseudoarchaeology0

Category

Hydraulic works9 Archaeological wonders5 Ancient cities4 Earthworks3 Ancient villages2

Country

🇮🇳India2 🇮🇷Iran2 🇾🇪Yemen2 🇲🇽Mexico1 🇹🇿Tanzania1

Heritage

UNESCO World Heritage only

Excavation

Partially excavated6 Excavation ongoing4 Excavated2

Tags

irrigation12 hydraulic4 unesco3 anicut2 chola2 kaveri2 sabaean2 amorite

2 places

Dams

2

Ballcourt towns1

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🇺🇸United States

1

🇯🇴Jordan1

🇩🇿Algeria1

All countries →

1

desert farming1

Excavated

🇲🇽 Mexico · Ancient city

San José Mogote

Early–Middle Formative 1500–500 BCE (Rosario phase) · Zapotec (Mogote phase)

Earliest Zapotec urban precursor with Monument 3 captive blood glyph, earliest Oaxacan writing 600 BCE.

✓VerifiedUNESCO

🇾🇪 Yemen · Hydraulic works

Marib Dam East Wadi Dhana Barrage

Sabaean to Himyarite · Kingdom of Saba (Sabaean South Arabian) then Himyar

480-m east rockfill barrage of Great Marib Dam at Balaq Hills gap.