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484 places in the atlas, 33 of them inscribed as UNESCO World Heritage.
🇺🇸 United States · Earthwork
Plaquemine Mississippian Coles Creek-Winterville 900–1450 CE · Coles Creek / Plaquemine
16.7 m truncated pyramid center of 23-mound plaza, 1200–1400 CE.
🇺🇸 United States · Ancient village
Classical Antiquity (800 BCE–500 CE) · Local Neolithic
Burned Destruction Horizon West in Ohio Valley, United States is a Classical Antiquity (800 BCE–500 CE) ancient village attributed to Local Neolithic culture.
🇺🇸 United States · Rock art
Great Basin archaic to Numic (12000 BCE–1850 CE rock; peak 4000–1000 BCE Coso Representational) · Great Basin Coso (Northern Uto-Aztecan?) predecessors
China Lake Coso excavated by Grant & Farley 1960s, UCLA bighorn sheep style 4000 BCE, navy protected.
🇺🇸 United States · Temple complex
Late Neolithic (4000–3000 BCE) · Bronze Age
Paquimé Casas Grandes Compound in Mississippi Valley, United States is a Late Neolithic (4000–3000 BCE) temple complex attributed to Bronze Age culture.
🇺🇸 United States · Geoglyph
Early Bronze Age (3000–2000 BCE) · Iron Age
Kwakiutl Cold Wooden Post North in Great Plains, United States is a Early Bronze Age (3000–2000 BCE) geoglyph attributed to Iron Age culture.
🇺🇸 United States · Earthwork
Iron Age (1200 BCE–500 CE) · Bronze Age
Serpent Mound Egg Enclosure in Mississippi Valley, United States is a Iron Age (1200 BCE–500 CE) earthwork attributed to Bronze Age culture.
🇺🇸 United States · Ancient village
Pueblo II-III; Chaco outlier · Chacoan McElmo outlier / local Red Mesa synthesis
Southern Wash outlier great house (50 rooms, c.1085 CE) with L-plan and Chaco road causeway — wash-margin agricultural outlier illustrating Chaco emulation.
🇺🇸 United States · Hydraulic works
Early Medieval (500–1000 CE) · Local Neolithic
Saka Kurgan Chain East in Great Plains, United States is a Early Medieval (500–1000 CE) hydraulic attributed to Local Neolithic culture.
🇺🇸 United States · Rock art
Early Medieval (500–1000 CE) · Bronze Age
Kuelap Fortress North in Mississippi Valley, United States is a Early Medieval (500–1000 CE) rock art attributed to Bronze Age culture.
🇺🇸 United States · Rock art
Early Medieval (500–1000 CE) · Classical
Chan Chan Citadel West in Colorado Plateau, United States is a Early Medieval (500–1000 CE) rock art attributed to Classical culture.
🇺🇸 United States · Buried city
Late Neolithic (4000–3000 BCE) · Bronze Age
Cist Grave Field West in Ohio Valley, United States is a Late Neolithic (4000–3000 BCE) buried city attributed to Bronze Age culture.
🇺🇸 United States · Earthwork
Early Woodland Adena 1000–400 BCE · Adena
Large Adena conical mound (38 ft/11.5 m high, 140 ft/43 m diameter) preserved in Indian Mound Reserve, Enon. One of the best-preserved Adena mounds in Ohio, surrounded by former enclosures now plowed.
🇺🇸 United States · Buried city
Iron Age (1200 BCE–500 CE) · Classical
Pedra Furada Shelter in Colorado Plateau, United States is a Iron Age (1200 BCE–500 CE) buried city attributed to Classical culture.
🇺🇸 United States · Earthwork
Mississippian 1050–1400 CE (Kincaid phase) · Mississippian (Caborn-Welborn)
19-mound Mississippian town on Ohio River, 1050–1400 CE.
🇺🇸 United States · Earthwork
Early Woodland Adena · Adena
Adena conical mound (19.5 ft/6 m high, 95 ft/29 m diameter) preserved as Story Mound State Memorial, encircled by suburban Chillicothe but intact with original ditch.
🇺🇸 United States · Rock art
Early Medieval (500–1000 CE) · Classical
Vihara Cell Group West in Southwest, United States is a Early Medieval (500–1000 CE) rock art attributed to Classical culture.
🇺🇸 United States · Kurgan
Iron Age (1200 BCE–500 CE) · Iron Age
Saka Kurgan Chain East in Great Plains, United States is a Iron Age (1200 BCE–500 CE) kurgan attributed to Iron Age culture.
🇺🇸 United States · Ancient village
Kayenta Ancestral Pueblo (1250–1300 CE) plus earlier Basketmaker 300 CE · Kayenta Ancestral Pueblo (Hisatsinom)
Keet Seel excavated by Fewkes 1917 and Dean dendro 1970s, 155 rooms, trail 8 km.
🇺🇸 United States · Earthwork
Late Woodland to Mississippian 800–1200 CE · Late Woodland to Mississippian (Miller to Mississippian transition)
Five platform mounds (6–12 ft high) enclosing rectangular plaza 100×60 m at Owl Creek, Natchez Trace MP 243.
🇺🇸 United States · Earthwork
Marksville 0–400 CE · Marksville culture
Semicircular enclosure 530 m wall, Marksville Southern Hopewell 0–400 CE.
🇺🇸 United States · Rock art
Fremont (900–1200 CE) · Fremont (San Rafael)
Emery Rochester recorded by Gunnerson 1960s, Fremont horned shaman and migration trail.
🇺🇸 United States · Earthwork
Hopewell 1–500 CE · Hopewell tradition
121-acre Hopewell circle-square with 335 m Great Circle and Seip-Pricer mound, UNESCO 2023.
🇺🇸 United States · Buried city
Emergent Mississippian to Stirling phase · Mississippian (Illinoian)
Largest Mississippian centre (650–1400 CE) with 120 mounds including Monks Mound (30 m, 1000x700 ft base, largest earthen platform north of Mexico).
🇺🇸 United States · Ancient village
Pre-Clovis (Topper) to Clovis · Pre-Clovis (Topper)/Clovis
Pre-Clovis chert quarry (15,000 BCE) with debated lower horizon below Clovis on Savannah River, South Carolina.
