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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Pyramids tagged “earthwork”

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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Verified1 Widely accepted1 Contested0 Hypothetical0 Unverified0 Pseudoarchaeology0

2 places

Pyramids

🇺🇸 United States · Earthwork

Monks Mound

Mississippian 900–1200 CE (peak 1050–1200) · Mississippian (Cahokia)

Largest earthen structure in the Americas north of Mexico and centerpiece of Cahokia Mounds State Historic Site.

≈Accepted

🇪🇨 Ecuador · Pyramid

Cochasquí Pyramids

Quitu-Cara / Integration Period · Caranqui / Quitu

15 earthen truncated pyramids with ramps, 10–20 m high, built by Quitu-Cara (Caranqui) people astride equatorial line, aligning to volcanoes Cayambe and Cotacachi with solar/astronomical purpose.