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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Tumuli tagged “wisconsin”

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🇺🇸 United States · Tumulus

Aztalan — Northwest Platform Mound (Jefferson)

Early Bronze Age to Iron Age (2500–500 BCE) · Hallstatt / Early Iron Age; Mississippian

Aztalan — Northwest Platform Mound (Jefferson) in Wisconsin, Jefferson County, Aztalan, United States is a Early Bronze Age to Iron Age (2500–500 BCE) tumu…