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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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The catalogue

Partially excavated places tagged “quartz”

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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Verified4 Widely accepted0 Contested0 Hypothetical0 Unverified0 Pseudoarchaeology0

Category

Megaliths4 Alignments1 Cists1 Earthworks1 Effigy mounds1

Country

🇫🇷France1 🇬🇧United Kingdom1 🇮🇪Ireland1 🇺🇸United States1

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UNESCO World Heritage only

Excavation

Excavated2 Partially excavated2

Tags

quartz4 alignment1 boscawen1 boyne tradition1 brittany1 bronze age1 cist1 crozon

2 places

Menhirs

1

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1

megalithic art1

Partially excavated

🇫🇷 France · Megalith

Alignements de Lagatjar

Late Neolithic · Western Brittany Neolithic (Océan Atlantic Megalithic)

Crozon's triple stone rows — 72 menhirs (to 2.1 m) in three 200 m parallel alignments near Camaret.

🇺🇸 United States · Earthwork

Rock Hawk Effigy Mound

Woodland–Archaic 1000 BCE–1000 CE · Woodland peoples

30-m quartz hawk effigy on Oconee River, paired with Rock Eagle.