🇺🇸 United States · Earthwork
Shiloh Indian Mounds
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 · Tell
Gatlin Site Gila Bend Hohokam Village
Pre-Classic to Classic Hohokam (800–1200 CE) · Hohokam Pre-Classic–Classic Gila Bend phase
Gatlin Site Gila Bend Hohokam Village is the platform-mound village at the Gila River's great bend 80 km southwest of Phoenix — an isolated Hohokam outpost where the Gila bends 90 degrees.
🇺🇸 United States · Ancient village
Chimney Rock Great House Pueblo
Pueblo II (Chacoan, 925–1125 CE) · Ancestral Puebloan (Chacoan)
Northernmost Chacoan great house (925–1125 CE) aligned to 18.6-year lunar standstill between twin spires, Colorado.
🇺🇸 United States · Mound
Beasley Mounds
Mississippian (Moundville–Thruston) · Mississippian (Middle Cumberland)
Fortified Cumberland River town (1000–1400 CE) with 5 mounds and richest Mississippian stone statuary in Middle TN.
🇺🇸 United States · Ancient city
Little Chaco Canyon Citadel Inner — Chaco Canyon (55-12)
Chalcolithic (regional) · Chalcolithic
Little Chaco Canyon Citadel Inner — Chaco Canyon (55-12) at Chaco Canyon, United States is a Chalcolithic (regional) ancient city of the Chalcolithic tradition, built c.
🇺🇸 United States · Rock art
Meadowcroft Rockshelter
Pre-Clovis to Late Woodland · Pre-Clovis (Meadowcroft) to Woodland
16,000-year stratified rockshelter (Miller lanceolate horizon) with basketry preservation, Pennsylvania.
🇺🇸 United States · Earthwork
Garden Creek Mounds
Mississippian Pisgah & Qualla phases (1000–1450 CE) · Mississippian (Pisgah, later Cherokee precursor)
Three-mound Mississippian Pisgah phase (1000–1450 CE) center at Garden Creek confluence with Pigeon River, southern Appalachians: Mound 1—platform 35×25 m base, 3.5 m high with two-stage summit…
🇺🇸 United States · Earthwork
Mound Bottom–Pack Site Complex
Mississippian Middle Cumberland (1000–1350 CE) · Mississippian (Mound Bottom phase)
Major Mississippian town (1000–1350 CE) on Harpeth River meander: 14 platform and burial mounds including 13-m-high Monks-Mound-scale Mound A (90×70 m base) within 10 ha palisaded plaza, plus Pack…
🇺🇸 United States · Ancient village
Snaketown (Snaketown Hohokam Village)
Hohokam Pioneer to Classic (300 BCE–1450 CE) · Hohokam (Sonoran Desert farmers)
Type-site and capital of Hohokam Culture (c.300 BCE–1450 CE, Pioneer to Classic) — 2 km² canal-irrigated village with 2 ballcourts, platform mounds, and 100 km of canals off Gila River irrigating…
🇺🇸 United States · Earthwork
Lower Chaco Canyon Necropolis B — Chaco Canyon (55-30)
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
Outer Chaco Canyon Reservoir A — Chaco Canyon (55-02)
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 · Tumulus
Marksville — Precht Mound West Embankment
Early Bronze Age to Iron Age (2500–500 BCE) · Hallstatt / Early Iron Age; Hopewell
Marksville — Precht Mound West Embankment in Louisiana, Avoyelles Parish, Marksville, United States is a Early Bronze Age to Iron Age (2500–500 BCE) tumulu…
🇺🇸 United States · Mound
Jonathan Creek Mound
Mississippian (Jonathan Creek phase) · Mississippian (Western Kentucky)
Western KY Mississippian village (1200–1450 CE) — 7 platform mounds on Tennessee River near Aurora.
🇺🇸 United States · Ancient city
Cahokia — Mound 34 Copper Workshop East (St. Louis)
Bronze Age to Classical (3000 BCE–500 CE) · Bronze Age urban; Mississippian
Cahokia — Mound 34 Copper Workshop East (St. Louis) in Illinois, St. Clair County, Cahokia, United States is a Bronze Age to Classical (3000 BCE–500 CE) an…
🇺🇸 United States · Archaeological wonder
Casa Grande Ruins National Monument
Classic Hohokam 1150–1450 CE (Sedentary to Classic transition) · Hohokam (Ancestral Sonoran Desert, ancestors of O’odham)
Ancestral Sonoran Desert four-story Great House (18 m × 13 m, 4 storeys, 11 rooms, caliche clay walls 1 m thick, internal loopholes) – largest known Hohokam structure, preserved under 1932 modern…
🇺🇸 United States · Archaeological wonder
Bandelier National Monument
Ancestral Pueblo III–IV 1150–1550 CE (Pajarito Plateau settlement after Mesa Verde diaspora) · Ancestral Puebloan / Keresan and Tewa (ancestors of Cochiti, San Ildefonso, Santa Clara)
13,355 ha of Frijoles Canyon with tuff cliff dwellings (cavates), mesa-top Tyuonyi Pueblo (400 rooms, 1–3 storeys) and Long House cliff village (800 m long) in soft Bandelier Tuff (1.1 Ma Jemez…
🇺🇸 United States · Earthwork
Monks Mound
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
Serpent Mound — Head Coil North Bend (Adams County)
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 · Ancient village
Kin Ya‘a (Chaco Outlier Great House)
Pueblo II-III; Bonito outlier peak · Chacoan outlier (McElmo transitional)
South Road great house outlier (100 rooms, 1080–1100 CE) 35 km south of Chaco — tower kiva, 8 m wide Chaco road berm to canyon, defining regional system maximum.
🇺🇸 United States · Earthwork
Poverty Point — Ridge 3 Terrace West (Jackson Parish)
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 · Ancient city
Fort Center
Woodland Glades 450 BCE–1700 CE · Belle Glade (Calusa/Glades)
Glades woodland pond-mortuary and 1200 m causeway with charnel house, wood effigies in submerged pond.
🇺🇸 United States · Earthwork
Hopeton Earthworks
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 · Ancient village
Marana Mound — Hohokam Platform Mound and Ballcourt Community
Hohokam Classic (1150–1450 CE) · Hohokam (Tucson / Marana community)
Classic Hohokam platform 1150 CE — ballcourt & 150 m terrace rock-pile fields (Fish).
🇺🇸 United States · Earthwork
Seip Earthworks — North Circle Ancillary (Ross County)
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…