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4 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.
🇺🇸 United States · Earthwork
Medieval (regional) · Medieval
Lower Chaco Canyon Necropolis B — Chaco Canyon (55-30) at Chaco Canyon, United States is a Medieval (regional) earthwork of the Medieval tradition, built c.
🇺🇸 United States · Temple complex
Classical Antiquity (800 BCE–500 CE) · Medieval
Hopewell Octagon Annex in Mississippi Valley, United States is a Classical Antiquity (800 BCE–500 CE) temple complex attributed to Medieval culture.
🇺🇸 United States · Earthwork
Early Bronze Age (3000–2000 BCE) · Medieval
Haida Mortuary Pole Base South in Great Plains, United States is a Early Bronze Age (3000–2000 BCE) earthwork attributed to Medieval culture.
🇺🇸 United States · Megalith
Early Bronze Age (3000–2000 BCE) · Medieval
Lepsius Mound Outlier in Mississippi Valley, United States is a Early Bronze Age (3000–2000 BCE) megalithic attributed to Medieval culture.