🇺🇸 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 · Mound
Lilbourn Site
Late Mississippian (Lilbourn phase) · Mississippian (Bootheel)
Bastioned Late Mississippian town (1100–1350 CE) near New Madrid — 6-m mound with 3-ha palisaded village.
🇺🇸 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 · Earthwork
Spruce Hill Earthworks
Middle Woodland / Late Woodland debated · Hopewell tradition or Fort Ancient tradition
Hilltop stone-walled enclosure 42 ha above Paint Creek; Hopewell vs Fort Ancient debate.
🇺🇸 United States · Earthwork
Larkin Mound
Middle Woodland Weeden Island 200–600 CE · Weeden Island / Gulf Hopewell
Crystal River satellite burial mound with Hopewell copper and quartz, Gulf Hopewell southernmost evidence.
🇺🇸 United States · Earthwork
Rock Eagle Effigy Mound
Archaic–Woodland 1000 BCE–1000 CE · Woodland / Archaic
36.5-m quartz eagle effigy, 1000–500 BCE.
🇺🇸 United States · Ancient village
Peñasco Blanco (Penasco Blanco)
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 Grande de Nevada (Lost City)
Ancestral Pueblo Virgin branch Basketmaker III–Pueblo II · Ancestral Pueblo (Virgin Anasazi / Ancestral Pueblo)
100-room Virgin Anasazi pueblo complex partly drowned by Lake Mead, 300 BCE–1150 CE.
🇺🇸 United States · Earthwork
Grave Creek Mound
Early Woodland, Adena culture 1000 BCE–1 CE (peak 250–150 BCE) · Adena
Largest conical burial mound in North America (62 ft/19 m high, 240 ft/73 m diameter, 60,000 tons earth moved by basket) built by Adena peoples at Moundsville, WV.
🇺🇸 United States · Archaeological wonder
Walpi Pueblo
Ancestral Hopi (Hisatsinom) to Historic Hopi 900 CE–present · Hopi (Hisatsinom, Hopi-Tewa)
Continuously inhabited 900 CE Hopi terraced pueblo atop 300-m mesa.
🇺🇸 United States · Archaeological wonder
Wupatki National Monument
Pueblo II–III 1120–1250 CE (post-Sunset Crater) · Sinagua / Ancestral Puebloan (Hisatsinom) with Mogollon/Hohokam influences
100-room red-Moenkopi sandstone pueblo with tower-kiva and Hopi-style ballcourt, outlier of Sinagua-Hisatsinom frontier after Sunset Crater eruption (1085 CE) improved farming.
🇺🇸 United States · Earthwork
Old Stone Fort
Middle Woodland 80–550 CE · Middle Woodland (Hopewell-related)
2.75 km stone-walled hilltop enclosure, solstice-aligned, 80–550 CE.
🇺🇸 United States · Ancient village
Yellow Jacket Pueblo
Pueblo II–III 1050–1300 CE (Mesa Verde phase) · Ancestral Pueblo (Mogollon-Mesa Verde)
Largest Mesa Verde town: 600 rooms, 170 kivas, 22 m Great Kiva and Chaco-style great house.
🇺🇸 United States · Ancient village
Edge of the Cedars State Park Museum
Pueblo II–III 850–1220 CE · Ancestral Pueblo (Virgin–Kayenta blend)
Pueblo II–III 100-room complex with restored 12 m kiva and largest pottery shard repository in Southwest.
🇺🇸 United States · Earthwork
Mount Royal Archaeological Site
St Johns IIc–Mississippian 1050–1562 CE (midden 3000 BCE onward) · St Johns (Timucua ancestors)
St Johns platform mound 6.7 m with 300 m causeway and 6000-year midden, contacted 1562 by French.
🇺🇸 United States · Ancient village
Una Vida (Chaco Canyon)
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 · Earthwork
Lake Jackson Mounds Archaeological State Park
Fort Walton Mississippian 1050–1500 CE · Fort Walton (Apalachee) Mississippian
Mississippian chiefdom capital on Lake Jackson with 11 m platform mound and famed repoussé copper plates.
🇺🇸 United States · Earthwork
Shiloh Indian Mounds National Historic Landmark
Early to Middle Mississippian 1000–1350 CE · Mississippian (Shiloh phase)
Palisaded 8-mound Mississippi River town on Tennessee River, 1000–1350 CE.
🇺🇸 United States · Ancient village
Hungo Pavi (Chaco Canyon)
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
Liberty Earthworks
Middle Woodland Hopewell 100–350 CE · Hopewell tradition
Hopewell square 320 m with corner circles and Liberty Mound, Chillicothe cluster component.
🇺🇸 United States · Earthwork
Rock Hawk Effigy Mound
Woodland–Archaic 1000 BCE–1000 CE · Woodland peoples
30-m quartz hawk effigy on Oconee River, paired with Rock Eagle.
🇺🇸 United States · Earthwork
Fort Walton Mound
Mississippian Fort Walton 1100–1550 CE · Fort Walton (Mississippian Pensacola variant)
Fort Walton culture temple mound on Choctawhatchee Bay, 1100–1550 CE.
🇺🇸 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.
🇺🇸 United States · Earthwork
Newark Earthworks
Hopewell culture 100 BCE–500 CE · Hopewell (Adena descended, Algonquian? cohort)
Hopewell giant geometric enclosures marking 18.6-yr lunar cycle.