🇺🇸 United States · Earthwork
Jaketown Site
Late Archaic–Poverty Point ca. 1700–1500 BCE · Poverty Point culture (Jaketown phase)
8-mound Poverty Point–related center, 1700–1500 BCE.
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484 places in the atlas, 33 of them inscribed as UNESCO World Heritage.
🇺🇸 United States · Earthwork
Late Archaic–Poverty Point ca. 1700–1500 BCE · Poverty Point culture (Jaketown phase)
8-mound Poverty Point–related center, 1700–1500 BCE.
🇺🇸 United States · Ancient village
Pueblo III; late McElmo revival · Mesa Verde McElmo → Chaco East Wash
Late McElmo eastern great house (30 rooms, 1105–1115 CE) at Chaco Wash narrows — single-wing McElmo revival after main canyon collapse, with check dams.
🇺🇸 United States · Earthwork
Woodland Weeden Island 200–800 CE · Weeden Island (Swift Creek)
14 m platform mound, largest Woodland mound in Florida, 200–800 CE.
🇺🇸 United States · Earthwork
Early Woodland Adena 1000–200 BCE · Adena
Second-largest conical mound in Ohio (65 ft/20 m high, 877 ft circumference) and tallest surviving Adena mound, preserved at Miamisburg Mound State Park.
🇺🇸 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.
🇺🇸 United States · Earthwork
Middle Woodland Hopewell 100 BCE–500 CE · Hopewell
Immense Hopewell enclosure 12 ha west of Bainbridge: square (280 m side) attached to circle (320 m diameter) via parallel walls, with ditch-and-embankment 1.5 m high.
🇺🇸 United States · Ancient city
Iron Age (1200 BCE–500 CE) · Classical
Lindenmeier Paleo Site in Mississippi Valley, United States is a Iron Age (1200 BCE–500 CE) ancient city attributed to Classical culture.
🇺🇸 United States · Ancient city
Iron Age (1200 BCE–500 CE) · Local Neolithic
Storage Jar Cache East in Ohio Valley, United States is a Iron Age (1200 BCE–500 CE) ancient city attributed to Local Neolithic culture.
🇺🇸 United States · Earthwork
St Johns I–II 1000 BCE–1500 CE · St Johns (Mayaou Timucua)
Shell-midden island famous for 6 m buried wooden owl totem (600 CE) and snail-shell ridges.
🇺🇸 United States · Earthwork
Middle Woodland Hopewell 100 BCE–500 CE · Hopewell tradition
Hopewell ceremonial village on Ohio/Wabash, 100 BCE–400 CE.
🇺🇸 United States · Rock-cut
Early Medieval (500–1000 CE) · Iron Age
Stepwell Reservoir West in Southwest, United States is a Early Medieval (500–1000 CE) rock_cut attributed to Iron Age culture.
🇺🇸 United States · Earthwork
Coles Creek 700–1200 CE to Plaquemine 1200–1500 CE · Coles Creek–Plaquemine (Troyville to Mississippian transition Louisiana)
Five-mound complex on Little River near Harrisonburg: largest flat-topped Mound A 8 m high with causeway to plaza, four smaller mounds enclosing 1.5 ha plaza.
🇺🇸 United States · Earthwork
Late Woodland / Fort Ancient 800–1200 CE · Fort Ancient (Late Woodland)
Effigy mound 205 ft/62 m long, 4–6 ft high, head oriented SW tail NE, depicting an opossum/underwater panther effigy on bluff south of Granville. Listed NRHP 1971.
🇺🇸 United States · Earthwork
Woodland Troyville culture 400–700 CE peak (with Baytown 100 BCE–400 CE foundations) · Baytown / Troyville-Coles Creek (Woodland to early Mississippian)
Nine-mound complex at Jonesville where 21st Louisiana's tallest pre-Columbian mound (Great Mound, 82 ft) stood until levee leveling. Baytown-Troyville-Coles Creek sequence with plaza and embankment.
🇺🇸 United States · Rock art
Dinwoody (8000 BCE–1000 CE) to En-Toto Pecked to historic · Plains Archaic Dinwoody / Shoshone
Thermopolis Legend Rock state park, Dinwoody style intermontane archaic unique to Wyoming.
🇺🇸 United States · Archaeological wonder
Mogollon Tularosa 1275–1300 CE · Mogollon
46 rooms in five caves 1275–1300 CE, Mogollon.
🇺🇸 United States · Ancient village
Pre-Clovis to Clovis · Pre-Clovis (Cactus Hill)
Sandy terrace pre-Clovis site (16,000 BCE) with blades beneath Clovis on Nottoway River, Virginia.
🇺🇸 United States · Rock art
Archaic Barrier (6000 BCE) → Fremont (600 CE) → Ute (1800 CE) · Barrier Canyon → Fremont → Ute layered
Sego three cultures described by Castleton 1970s, highway-visible 14 m panel with 75 figures.
🇺🇸 United States · Earthwork
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…
