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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Excavation ongoing places tagged “chalcolithic” in United States · Mysteria

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Excavation ongoing places tagged “chalcolithic” in United States

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Temple complexes

🇺🇸 United States

🇺🇸 United States · Geoglyph

Sacred Chaco Canyon Fortress II — Chaco Canyon (55-45)

Chalcolithic (regional) · Chalcolithic

Sacred Chaco Canyon Fortress II — Chaco Canyon (55-45) at Chaco Canyon, United States is a Chalcolithic (regional) geoglyph of the Chalcolithic tradition, built c.