🇺🇸 United States · Earthwork
Miamisburg Mound
Early Woodland Adena 1000–200 BCE · Adena
Second-largest conical mound in Ohio (65 ft/20 m high, 877 ft circumference) and tallest surviving Adena mound, preserved at Miamisburg Mound State Park.
🇺🇸 United States · Earthwork
Kolomoki Mounds Historic Park
Swift Creek–Weeden Island 350–750 CE · Swift Creek – Weeden Island
Woodland Mound A 17 m, Swift Creek 350–750 CE.
🇺🇸 United States · Earthwork
Anderson Mounds
Middle Woodland Hopewell–Adena 250 BCE–200 CE · Hopewell tradition (Adena antecedent)
Hopewell circular enclosure and Great Mound, 250 BCE–200 CE.
🇺🇸 United States · Megalith
Lepsius Mound Outlier — Mississippi Valley (Cahokia)
Early Bronze Age (3000–2000 BCE) · Medieval
Lepsius Mound Outlier in Mississippi Valley, United States is a Early Bronze Age (3000–2000 BCE) megalithic attributed to Medieval culture.
🇺🇸 United States · Earthwork
Barnes Works
Middle Woodland Hopewell 100 BCE–500 CE · Hopewell
Immense Hopewell enclosure 12 ha west of Bainbridge: square (280 m side) attached to circle (320 m diameter) via parallel walls, with ditch-and-embankment 1.5 m high.
🇺🇸 United States · Ancient city
Lindenmeier Paleo Site — Mississippi Valley (St Louis)
Iron Age (1200 BCE–500 CE) · Classical
Lindenmeier Paleo Site in Mississippi Valley, United States is a Iron Age (1200 BCE–500 CE) ancient city attributed to Classical culture.
🇺🇸 United States · Ancient city
Storage Jar Cache East — Ohio Valley (Columbus)
Iron Age (1200 BCE–500 CE) · Local Neolithic
Storage Jar Cache East in Ohio Valley, United States is a Iron Age (1200 BCE–500 CE) ancient city attributed to Local Neolithic culture.
🇺🇸 United States · Earthwork
Hontoon Island Mounds
St Johns I–II 1000 BCE–1500 CE · St Johns (Mayaou Timucua)
Shell-midden island famous for 6 m buried wooden owl totem (600 CE) and snail-shell ridges.
🇺🇸 United States · Buried city
Cist Grave Field West
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
Mann Site
Middle Woodland Hopewell 100 BCE–500 CE · Hopewell tradition
Hopewell ceremonial village on Ohio/Wabash, 100 BCE–400 CE.
🇺🇸 United States · Rock-cut
Stepwell Reservoir West
Early Medieval (500–1000 CE) · Iron Age
Stepwell Reservoir West in Southwest, United States is a Early Medieval (500–1000 CE) rock_cut attributed to Iron Age culture.
🇺🇸 United States · Earthwork
Angel Mounds State Historic Site
Mississippian 1000–1450 CE · Mississippian (Angel phase)
42 ha Mississippian walled town 1000–1450 CE.
🇺🇸 United States · Earthwork
Foster Mounds
Coles Creek 700–1200 CE to Plaquemine 1200–1500 CE · Coles Creek–Plaquemine (Troyville to Mississippian transition Louisiana)
Five-mound complex on Little River near Harrisonburg: largest flat-topped Mound A 8 m high with causeway to plaza, four smaller mounds enclosing 1.5 ha plaza.
🇺🇸 United States · Earthwork
Alligator Mound
Late Woodland / Fort Ancient 800–1200 CE · Fort Ancient (Late Woodland)
Effigy mound 205 ft/62 m long, 4–6 ft high, head oriented SW tail NE, depicting an opossum/underwater panther effigy on bluff south of Granville. Listed NRHP 1971.
🇺🇸 United States · Earthwork
Troyville Earthworks
Woodland Troyville culture 400–700 CE peak (with Baytown 100 BCE–400 CE foundations) · Baytown / Troyville-Coles Creek (Woodland to early Mississippian)
Nine-mound complex at Jonesville where 21st Louisiana's tallest pre-Columbian mound (Great Mound, 82 ft) stood until levee leveling. Baytown-Troyville-Coles Creek sequence with plaza and embankment.
🇺🇸 United States · Earthwork
Bynum Mounds
Middle Woodland Miller culture Hopewell horizon 100 BCE–100 CE · Miller (Hopewell)
Six mounds at Natchez Trace Milepost 232.4 including large flat-topped Mound A and conical burial Mound B (10 ft high) with crematory basin and greenstone artifacts.
🇺🇸 United States · Temple complex
BAPS Shri Swaminarayan Mandir Chino Hills
The BAPS Shri Swaminarayan Mandir is a Hindu temple complex located in Chino Hills, in southwestern San Bernardino County in southern California.
🇺🇸 United States · Rock art
Legend Rock Petroglyphs Wyoming
Dinwoody (8000 BCE–1000 CE) to En-Toto Pecked to historic · Plains Archaic Dinwoody / Shoshone
Thermopolis Legend Rock state park, Dinwoody style intermontane archaic unique to Wyoming.
🇺🇸 United States · Temple complex
Cambridge Zen Center
Cambridge Zen Center is an urban meditation center in Cambridge, Massachusetts, close to Harvard University, part of the Kwan Um School of Zen.
🇺🇸 United States · Ancient city
Big Mound City
Big Mound City (8PB48) is a prehistoric site near Canal Point, Florida, United States. It is located 10 miles east of Canal Point, off U.S. Route 98. On May 24, 1973, it was added to the U.S.
🇺🇸 United States · Archaeological wonder
Gila Cliff Dwellings National Monument
Mogollon Tularosa 1275–1300 CE · Mogollon
46 rooms in five caves 1275–1300 CE, Mogollon.
🇺🇸 United States · Hydraulic works
Houston Ship Channel
The Houston Ship Channel, in Houston, Texas, is part of the Port of Houston, one of the busiest seaports in the world.
🇺🇸 United States · Temple complex
Chogye International Zen Center
Chogye International Zen Center is a Kwan Um School of Zen practice center founded by Seung Sahn in 1975, located in New York City.
🇺🇸 United States · Earthwork
Shrum Mound
Early Woodland Adena to Early Hopewell transition · Adena
Adena conical mound (20 ft/6 m high, 100 ft/30 m diameter) preserved in Campbell Park, Columbus — one of few surviving mounds in Ohio's capital city.