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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Unexcavated places tagged “bluff”

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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🇺🇸 United States · Earthwork

Seal Township Earthworks

Middle Woodland Hopewell 50–350 CE · Hopewell tradition

Scioto bluff Hopewell enclosure triplet (circle-square-irregular) 45 km south of Chillicothe core.