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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Verified places tagged “letchworth”

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🇺🇸 United States · Earthwork

Letchworth-Love Mounds Archaeological State Park

Woodland Weeden Island 200–800 CE · Weeden Island (Swift Creek)

14 m platform mound, largest Woodland mound in Florida, 200–800 CE.