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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Hopewell centers

1 place to sift through. Narrow by kind, country, period or how firmly each one is established — contested and pseudoarchaeological claims are labelled here, never hidden.

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Hopewell centers

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🇺🇸 United States · Earthwork

Toolesboro Mounds

Middle Woodland Hopewell 200 BCE–500 CE · Hopewell (Havana Hopewell)

Iowa's premier Hopewell center: 7 surviving mounds (originally 12) including large conical Mound 2 (8 m high) and linear Mound 7 on blufftop above Iowa-Mississippi confluence.