🇧🇷 Brazil · Earthwork
Marajoara Mounds (Teso dos Bichos)
Marajoara Phase (Polychrome Tradition) · Marajoara (Arauan-derived Amazonian Polychrome)
Marajoara chiefdom mounds (800–1400 CE)—40-m tesos and funerary urn fields on Amazon's delta island.
🇻🇪 Venezuela · Earthwork
Gran Sabana — Kukenán Tepui Foot Mound and Wall Ridge (Bolívar)
Late Pre-Columbian to modern hypotheses contested Late Intermediate (?)/1930s (?)? · Pemón / Wayaka? / miner (contested)
Tepui foot earthen mound 6 m and 45 m dry wall at Kukenán 1350 m — Pemón dyke vs landslide hummsock vs miner claim, 1200 CE Wayaka ware scatter.
🇬🇧 United Kingdom · Earthwork
Silbury Hill
Late Neolithic 2400–2300 BCE · Late Neolithic Britons (Grooved Ware)
Europe's tallest prehistoric mound – 39-m artificial hill with unknown purpose.
🇺🇸 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…