🇾🇪 Yemen · Geoglyph
Henge Gallery Geoglyph
Ubaid (6500–3800 BCE) · Ubaid
Henge Gallery Geoglyph in Hadramawt, Yemen is a Ubaid (6500–3800 BCE) geoglyph attributed to Ubaid culture.
🇺🇸 United States · Earthwork
Poverty Point (Monumental Earthworks of Poverty Point)
Late Archaic 1700–1100 BCE (peak 1500–1200 BCE) · Poverty Point culture
Late Archaic earthwork complex (1700–1100 BCE) with six concentric C-shaped ridges (1.2 km outer diameter) and six mounds, including 22 m-high Mound A – one of largest Archaic earthworks in North…
