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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Ringforts tagged “limfjord”

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≈AcceptedUNESCO

🇩🇰 Denmark · Hillfort

Aggersborg Viking Ringfort

Viking Age (c.980 CE) · Danish Viking Age

Largest Viking ring fortress (240 m outer diameter, 287 m with moat) on the Limfjord at Aggersborg, enclosing 48 longhouses (32 inside, 16 bailey) — garrison for ~1100 men.