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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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Tagssnowmelt

#snowmelt

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

Category

Hydraulic works1 Khettaras1 Qanats1

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Country

🇲🇦Morocco1

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UNESCO World Heritage only

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Partially excavated1

1 place

✓Verified

🇲🇦 Morocco · Hydraulic works

Khettara of Hagoun High Atlas (High Atlas Hagoun Qanat)

Almoravid to Almohad 1080–1170 CE High Atlas mountain · High Atlas Berber Hagoun (Almoravid mountain oasis)

High mountain khettara 1.8 km 38 shafts to 22 m deep: Almoravid 1080 snowmelt schist 6 L/s to walnut terraces 8 ha 2200 m.