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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Excavation ongoing trading towns in Sweden · Mysteria

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Excavation ongoing trading towns in Sweden

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🇸🇪 Sweden · Ancient city

Birka Viking Town on Björkö

Viking Age (750–975 CE) · Scandinavian Viking Age

Viking Age emporium on Björkö island in Lake Mälaren, founded c.750 CE and abandoned c.975, with fortified town area (Borg), harbour, cemeteries of over 3,000 graves and famous chamber grave Bj 581.