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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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Tagstanum

#tanum

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

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Archaeological wonders1 Megaliths1 Petroglyphs1 Rock art sites1

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🇸🇪Sweden1

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UNESCO World Heritage only

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Partially excavated1

1 place

✓VerifiedUNESCO

🇸🇪 Sweden · Megalith

Tanum Rock Carvings (Hällristningar Tanum)

Bronze Age · Nordic Bronze Age (Bohuslän rock art tradition)

UNESCO Bohuslän rock art — 600 panels / 2500 pecked figures (ships, sun, ploughs) on granite, 1700–500 BCE.