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🇺🇸 United States · Ancient village
Chaco Late Bonito to Post-Chaco San Juan · Chaco (ancestral Pueblo) → Mesa Verde–San Juan reoccupation
Isolated Chacoan great house outlier (c.1050–1110 CE core, Late Pueblo II, Classic Bonito phase + San Juan reoccupation c.1150) 26 km SW of Chaco proper — closest great house to Chaco that captures…
🇺🇸 United States · Ancient village
Pueblo II-III; Chacoan florescence then McElmo Mesa Verde · Chacoan Ancestral Puebloans (Homools? Pueblo I-III) → McElmo Mesa Verde
Chaco’s second city (400 rooms, D-shaped, 1010–1110 CE) with colonnade and great kiva — McElmo-renovated great house, 3 storeys high on north Chaco mesa.
🇺🇸 United States · Archaeological wonder
Ancestral Pueblo to historic 1000 CE–present (Hlauuma founded c.1000–1450 CE) · Taos Pueblo (Tiwa language, Northern Tiwa; ancestors Ancestral Puebloans)
Living Native American community and UNESCO World Heritage Site (1992) inhabited continuously for >1,000 years: two multi-storey adobe complexes Hlauuma (north house) and Hlaukwima (south house) up…
🇺🇸 United States · Ancient village
Chaco Bonito to Post-Chaco (Late Pueblo II–III) · Chaco (ancestral Pueblo) → post-Chaco San Juan
Southeasternmost Chaco great house outlier (c.1050–1120 CE, Bonito II–III) on Pintado Mesa overlooking Rio Chaco headwater — eastern gate of Chaco world.
🇺🇸 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 · Archaeological wonder
Pueblo II–III 1115–1287 CE (Chacoan 1120–1140; Mesa Verde 1200–1287) · Ancestral Puebloan (Chacoan then Mesa Verdean)
Misnamed 12th-century Great House built by Chacoan Ancestral Puebloans (Aztec West, 400 rooms, 3 storeys) and later occupied by Mesa Verdeans: E-shaped pueblo with Great Kiva (14.6 m diameter,…
🇺🇸 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 · Archaeological wonder
Pueblo II–III Bonito 1000–1150 CE · Ancestral Pueblo (Chacoan)
Chacoan Sun Dagger butte: three slabs create dagger beam on spirals marking solstices and lunar standstill.
🇺🇸 United States · Ancient village
Pueblo I-II-III; Chuskum-Chacoan · Chacoan × Chuskan frontier (Chuska timber route)
Mesa-top wedge great house on West Mesa promontory (900–1125 CE) controlling west gap and Chuska roads — crescent plan with great kiva and hinterland pictograph.
🇺🇸 United States · Archaeological wonder
Pueblo III 1190–1280 CE (Ancestral Puebloan florescence) · Ancestral Puebloan (Anasazi, Pueblo III)
Largest cliff dwelling in North America: 150 rooms, 23 kivas, 128–150 inhabitants in alcove 88 m deep, 27 m high below mesa top, with coursed sandstone masonry, tower structures and painted plaster,…
🇺🇸 United States · Earthwork
Hopewell 1–500 CE (Middle Woodland, peak 100–400 CE) · Hopewell tradition (Scioto Hopewell)
Finest Hopewell enclosure: 13-acre (5.3 ha) flat-topped earthen-walled enclosure (1,211 m perimeter, 1–1.8 m high) near Scioto River enclosing 24 conical, elongated and effigy mounds.
🇺🇸 United States · Earthwork
Mississippian Emergent–Early 900–1150 CE · Mississippian (Cahokia)
Mississippian timber Stonehenge: 410 m 48-post solar calendar aligned to Monks Mound solstice.
🇺🇸 United States · Ancient village
Pueblo I-III; early Bonito · Chacoan pioneer (Pueblo I) → classic Bonito
Earliest canyon great house (800–930 CE) at eastern mouth — L-shaped early Bonito 80-room great house with great kiva, petroglyphs and Fajada alignment, Chaco genesis type.
🇺🇸 United States · Ancient village
Pueblo II-III; Chacoan · Chacoan Ancestral Pueblo → McElmo
Chaco south-side great house (72 rooms, 1100 CE) with tower kiva, enclosed plaza and South Road segment — Bonito to McElmo transition across canyon.
🇺🇸 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 · 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
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…
🇺🇸 United States · Archaeological wonder
Pueblo II–III 850–1250 CE (Chacoan fluorescence 1020–1140) · Ancestral Puebloan (Anasazi) / Chacoan
Chacoan canyon with 15 monumental Great Houses (Pueblo Bonito 650 rooms, 35 kivas) and engineered roads, built 850–1150 CE by Ancestral Puebloans as ritual and trade center for San Juan Basin,…
🇺🇸 United States · Earthwork
Hopewell 1–450 CE · Hopewell tradition
Largest hilltop enclosure: 40 ha with 67 gateways, Hopewell 1–450 CE, UNESCO 2023.
🇺🇸 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 · Ancient village
Pueblo I–III (600–1300 CE) · Ancestral Puebloan (Anasazi)
Ancestral Puebloan cliff dwellings (600–1300 CE) with 600 sites including Cliff Palace (150 rooms, 23 kivas) under sandstone alcoves, transitioning from pithouses to masonry pueblos before…
🇺🇸 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
Pueblo II–III · Ancestral Puebloan / Chacoan
Greatest great house of Chaco: D-shaped 800-room complex with 32 kivas, planned in stages 850–1150 CE, aligned to cardinal directions and Chacoan road system radiating 60 km.
🇺🇸 United States · Earthwork
Hopewell Middle Woodland 100–400 CE · Hopewell tradition
Circle-octagon pair 320 m circle, UNESCO 2023.
