🇺🇸 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.
🇰🇪 Kenya · Earthwork
Meroe Northern Cemetery Pyramid — Rift Valley (Nairobi)
Classical Antiquity (800 BCE–500 CE) · Bronze Age
Meroe Northern Cemetery Pyramid in Rift Valley, Kenya is a Classical Antiquity (800 BCE–500 CE) earthwork attributed to Bronze Age 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.
🇧🇷 Brazil · Earthwork
Chavín de Huántar Plaza South — Amazonas (Manaus)
Late Neolithic (4000–3000 BCE) · Local Neolithic
Chavín de Huántar Plaza South in Amazonas, Brazil is a Late Neolithic (4000–3000 BCE) earthwork attributed to Local Neolithic culture.
🇲🇽 Mexico · Earthwork
Chambered Cairn Hill Americas 8 — Mexico Region 8
Period Neolithic · Regional culture Americas-Mound
Chambered Cairn Hill Americas 8 — Mexico Region 8 in Mexico Region 8, Mexico is a Iron Age earthwork with stratified deposits and regional significance. Excavations reveal architectural phasing.
🇵🇪 Peru · Earthwork
Chan Chan Citadel West — Andean Highlands (Cusco)
Late Neolithic (4000–3000 BCE) · Medieval
Chan Chan Citadel West in Andean Highlands, Peru is a Late Neolithic (4000–3000 BCE) earthwork attributed to Medieval culture.
🇧🇷 Brazil · Earthwork
Hillfort Rampart Americas 37 — Brazil Region 1
Period Classical · Regional culture Americas-Mound
Hillfort Rampart Americas 37 — Brazil Region 1 in Brazil Region 1, Brazil is a Iron Age earthwork with stratified deposits and regional significance. Excavations reveal architectural phasing.
🇺🇸 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.
🇳🇬 Nigeria · Earthwork
Sungbo's Eredo (Ogun) – Yoruba's 160-km Earthwork Rampart
Late Iron Age / Yoruba (Ijebu) · Ijebu Yoruba (Oloye Bilikisu Sungbo tradition)
Largest single monument in Africa: 160 km curvilinear ditch-and-bank snaking 20 m deep through rainforest around medieval Ijebu kingdom (800–1000 CE, Darling charcoal).
🇸🇩 Sudan · Earthwork
Tepe Sialk Platform A — Meroe (Meroe)
Iron Age (1200 BCE–500 CE) · Iron Age
Tepe Sialk Platform A in Meroe, Sudan is a Iron Age (1200 BCE–500 CE) earthwork attributed to Iron Age culture. Systematic survey and LiDAR document architectural phasing and stratified deposits.
🇺🇸 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.
🇳🇬 Nigeria · Fortress
Gobir Citadel of Gidan Sabon Birni
Sokoto period (19th c. CE; Gobir resistance) · Hausa (Gobir)
Late Gobir fortified birni (4.2 km) after 1808 fall of Al Kalawa.
🇺🇸 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 Kingdom · Earthwork
Maiden Castle Dorset — Western Rampart Sector
Iron Age (600 BCE–43 CE) · Durotriges
Dorset's type-site excavated by Wheeler 1934–37, war cemetery 52 burials from Vespasian's 43 CE siege, Neolithic causewayed enclosure underlying.
🇫🇷 France · Earthwork
Mont Lassois — Vix Princely Tomb Hillfort
Hallstatt D (550–450 BCE) · Hallstatt Celtic (Vix princess)
Châtillonnais hillfort famous for Vix princess tomb 1953, largest Greek bronze krater (1100 L), gold torc 480 g, excavated by Joffroy.
🇬🇧 United Kingdom · Earthwork
Tre'r Ceiri Hillfort Lleyn Peninsula
Iron Age (200 BCE–100 CE) · Ordovices
Mountain-top hut-village hillfort on Yr Eifl summit, intact curtain wall to chest height, excavated 1906/1956, views to Snowdonia and Ireland.
🇬🇧 United Kingdom · Earthwork
Old Oswestry Hillfort Shropshire
Iron Age (800 BCE–43 CE) · Cornovii
Shropshire's most spectacular hillfort excavated by Varley 1939–40 atop hill with 3-circuit ramparts and ritual pits, view over Welsh Marches.
🇬🇧 United Kingdom · Earthwork
Whitehawk Camp
Early Neolithic (3650–3350 BCE) · Neolithic causewayed
Whitehawk Camp in East Sussex, South Coast, United Kingdom is a Early Neolithic (3650–3350 BCE) earthwork attributed to Neolithic causewayed culture.
🇺🇸 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.
🇺🇸 United States · Earthwork
Seip Earthworks
Hopewell 1–500 CE · Hopewell tradition
121-acre Hopewell circle-square with 335 m Great Circle and Seip-Pricer mound, UNESCO 2023.
🇺🇸 United States · Earthwork
Poverty Point (Monumental Earthworks of Poverty Point)
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…