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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Places tagged “interaction sphere” in United States · Mysteria

The catalogue

Places tagged “interaction sphere” in United States

2 places 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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Verified2 Widely accepted0 Contested0 Hypothetical0 Unverified0 Pseudoarchaeology0

2 places

🇺🇸 United States

🇺🇸 United States · Earthwork

Turner Earthworks

Middle Woodland (Hopewell) · Hopewell (Ohio Hopewell)

Hopewell earthworks (200 BCE–400 CE) on Little Miami — 300-m Great Enclosure and pipestone pipes at Cincinnati.

✓VerifiedUNESCO

🇺🇸 United States · Earthwork

Hopewell Culture National Historical Park (Mound City Group)

Hopewell 1–500 CE (Middle Woodland, peak 100–400 CE) · Hopewell tradition (Scioto Hopewell)

Finest Hopewell enclosure: 13-acre (5.3 ha) flat-topped earthen-walled enclosure (1,211 m perimeter, 1–1.8 m high) near Scioto River enclosing 24 conical, elongated and effigy mounds.