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484 places in the atlas, 33 of them inscribed as UNESCO World Heritage.
🇺🇸 United States · Earthwork
Plaquemine to Historic Natchez (1200–1730 CE) · Plaquemine / Natchez (Muskogean)
Natchez historic capital (1200–1730 CE) — 3 Plaquemine mounds and plaza where French witnessed 1725 sacrifice.
Early Medieval (500–1000 CE) · Iron Age
Chavín de Huántar Plaza South in Colorado Plateau, United States is a Early Medieval (500–1000 CE) earthwork attributed to Iron Age culture.
🇺🇸 United States · Earthwork
Hopewell Middle Woodland 100–400 CE · Hopewell tradition
Circle-octagon pair 320 m circle, UNESCO 2023.
🇺🇸 United States · Earthwork
Middle Woodland Miller culture contemporary with Hopewell 1–400 CE · Miller (Hopewell-influenced eastern Woodland); Hopewell
Eight low dome mounds (2–6 ft high) at Natchez Trace Milepost 286.7, best-preserved Middle Woodland mound group in northeast Mississippi.
🇺🇸 United States · Earthwork
Formative to Mississippian (1500 BCE–1500 CE) · Woodland–Mississippian
Moundville Mound A Plaza Level in Alabama, Moundville, United States is a Formative to Mississippian (1500 BCE–1500 CE) earthwork attributed to Woodland–Mississippian.
🇺🇸 United States · Earthwork
Formative to Mississippian (1500 BCE–1500 CE) · Woodland–Mississippian
Spiro Mound Craig Hollow Chamber in Oklahoma, Spiro, United States is a Formative to Mississippian (1500 BCE–1500 CE) earthwork attributed to Woodland–Mississippian.
🇺🇸 United States · Earthwork
Formative to Mississippian (1500 BCE–1500 CE) · Woodland–Mississippian
Watson Brake Mound E in Louisiana, Ouachita Parish, United States is a Formative to Mississippian (1500 BCE–1500 CE) earthwork attributed to Woodland–Mississippian.
🇺🇸 United States · Earthwork
Formative to Mississippian (1500 BCE–1500 CE) · Woodland–Mississippian
Etowah Mound C Burial 57 in Georgia, Cartersville, United States is a Formative to Mississippian (1500 BCE–1500 CE) earthwork attributed to Woodland–Mississippian.
🇺🇸 United States · Earthwork
Formative to Mississippian (1500 BCE–1500 CE) · Woodland–Mississippian
Cahokia Woodhenge Post Circle III in Illinois, United States is a Formative to Mississippian (1500 BCE–1500 CE) earthwork attributed to Woodland–Mississippian.
🇺🇸 United States · Earthwork
Middle Woodland / Hopewell (100 BCE – 400 CE) · Hopewell
Cowan Creek Circular Enclosure in Ohio, United States is a Middle Woodland / Hopewell (100 BCE – 400 CE) earthwork attributed to Hopewell culture.
🇺🇸 United States · Earthwork
Mississippian (Shiloh phase, 1000–1350 CE) · Mississippian (Western Tennessee)
Fortified Mississippian town (1000–1350 CE) with 7 mounds and 2 km palisade on Tennessee River bluff, Shiloh.
🇺🇸 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 · Earthwork
Neolithic (regional) · Neolithic
Outer Chaco Canyon Reservoir A — Chaco Canyon (55-02) at Chaco Canyon, United States is a Neolithic (regional) earthwork of the Neolithic tradition, built c.
🇺🇸 United States · Earthwork
Mississippian 900–1200 CE (peak 1050–1200) · Mississippian (Cahokia)
Largest earthen structure in the Americas north of Mexico and centerpiece of Cahokia Mounds State Historic Site.
🇺🇸 United States · Earthwork
Neolithic to Mississippian (3000 BCE–1400 CE) · Neolithic / Woodland
Serpent Mound — Head Coil North Bend (Adams County) in Ohio, Adams County, Serpent Mound, United States is a Neolithic to Mississippian (3000 BCE–1400 CE) …
🇺🇸 United States · Earthwork
Neolithic to Mississippian (3000 BCE–1400 CE) · Neolithic / Woodland
Poverty Point — Ridge 3 Terrace West (Jackson Parish) in Louisiana, West Carroll Parish, Poverty Point, United States is a Neolithic to Mississippian (3000…
🇺🇸 United States · Earthwork
Middle Woodland Hopewell 100 BCE–500 CE · Hopewell tradition
Hopewell 22 ha circle-square with 321 m Great Circle, UNESCO 2023 unit-of-measure type-site.
🇺🇸 United States · Earthwork
Neolithic to Mississippian (3000 BCE–1400 CE) · Neolithic / Woodland; Hopewell
Seip Earthworks — North Circle Ancillary (Ross County) in Ohio, Ross County, Seip, United States is a Neolithic to Mississippian (3000 BCE–1400 CE) earthwo…
🇺🇸 United States · Earthwork
Neolithic to Mississippian (3000 BCE–1400 CE) · Neolithic / Woodland; Hopewell
High Bank Works — Octagon Northeast Corner in Ohio, Ross County, High Bank, United States is a Neolithic to Mississippian (3000 BCE–1400 CE) earthwork attr…
🇺🇸 United States · Earthwork
Hopewell culture 100 BCE–500 CE · Hopewell (Adena descended, Algonquian? cohort)
Hopewell giant geometric enclosures marking 18.6-yr lunar cycle.
🇺🇸 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 · Earthwork
Iron Age (1200 BCE–500 CE) · Local Neolithic
Monte Albán Terrace South in Colorado Plateau, United States is a Iron Age (1200 BCE–500 CE) earthwork attributed to Local Neolithic culture.
🇺🇸 United States · Earthwork
Middle Woodland Hopewell 200 BCE–500 CE · Hopewell (Havana Hopewell)
Iowa's premier Hopewell center: 7 surviving mounds (originally 12) including large conical Mound 2 (8 m high) and linear Mound 7 on blufftop above Iowa-Mississippi confluence.
🇺🇸 United States · Earthwork
Hopewell Middle Woodland 100–400 CE · Hopewell tradition
14.6 ha hilltop enclosure 2.4 km wall, 33 gateways.
