🇺🇸 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.
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CategoriesEarthworks
Mounds, henges, enclosures and effigies built from earth.
🇵🇪 Peru · Geoglyph
Bronze Age (regional) · Bronze Age
Royal Cuzco Citadel South — Cuzco (55-09) at Cuzco, Peru is a Bronze Age (regional) geoglyph of the Bronze Age tradition, built c. 1800 BCE for citadel and associated settlement.
🇺🇸 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.
🇨🇳 China · Earthwork
Iron Age (regional) · Iron Age
Royal Xi an Settlement A — Xi an (56-38) at Xi an, China is a Iron Age (regional) earthwork of the Iron Age tradition, built c. 400 BCE for settlement and associated settlement.
🇺🇸 United States · Earthwork
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 · Earthwork
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…
🇪🇬 Egypt · Megalith
Early Holocene Neolithic (~7500–3500 BCE) · Nubian Neolithic pastoralist (El Nabta culture)
Beside a fossil playa that filled during the African Humid Period, nomads erected a 5-m mini-Stonehenge of quartzite slabs and radial lines pointing to summer solstice sunrise and to Sirius/Arcturus.
🇺🇸 United States · Ancient city
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
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
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
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…
🇺🇸 United States · Earthwork
Neolithic to Mississippian (3000 BCE–1400 CE) · Neolithic / Woodland; Hopewell
High Bank Works — Octagon Northeast Corner in Ohio, Ross County, High Bank, United States is a Neolithic to Mississippian (3000 BCE–1400 CE) earthwork attr…
🇯🇴 Jordan · Earthwork
Pre-Pottery Neolithic to Bronze Age (~7000–3000 BCE) · Neolithic–Chalcolithic hunter-pastoralist
Over 5,800 kite structures sprawl across the harraat basalt deserts of Jordan, Syria and Saudi Arabia, each comprising two converging low walls up to 5 km long funneling gazelle herds into a stone…
🇮🇳 India · Earthwork
Chalcolithic (4500–3300 BCE) · Chalcolithic
Earthworks of Wall Nagar in Madhya Pradesh, India is a Chalcolithic (4500–3300 BCE) earthwork attributed to Chalcolithic culture.
🇨🇳 China · Earthwork
Neolithic to Mississippian (3000 BCE–1400 CE) · Neolithic / Woodland
Liangzhu — Mojiaoshan Platform North Terrace in Zhejiang, Hangzhou, Liangzhu, China is a Neolithic to Mississippian (3000 BCE–1400 CE) earthwork attributed…
🇸🇪 Sweden · Earthwork
Migration Period to Vendel Period (c.400–800 CE) · Gotlandic Iron Age
Pre-Viking ringfort (fornborg) on Gotland's southeast, circular limestone wall 80–100 m diameter enclosing 0.5 ha, with inner house terraces and Iron Age ceramics.
🇨🇷 Costa Rica · Megalith
Chiriquí period (~600–1500 CE; peak Aguas Buenas 800–1350 CE) · Diquís (Chiriquí, Isthmo-Colombian)
Costa Rica's Diquís Delta preserves over 300 near-perfect spheres of gabbro up to 2.66 m diameter and 16 tonnes, shaped by pecking and grinding until calipers verify sphericity within 2 cm.
🇯🇴 Jordan · Hillfort
Middle Bronze Age (2100–1550 BCE) · Middle Bronze Age
Bailey Hill Fort in Ma'an Governorate, Jordan is a Middle Bronze Age (2100–1550 BCE) hillfort attributed to Middle Bronze Age culture.
🇰🇭 Cambodia · Geoglyph
Iron Age (1200 BCE–500 CE) · Iron Age
Geoglyphs of Varna Mogor Ach in Preah Vihear, Cambodia is a Iron Age (1200 BCE–500 CE) geoglyph attributed to Iron Age culture.
🇳🇬 Nigeria · Ancient city
Late Medieval Kanem–Bornu (1460–1808 CE) · Kanuri (Kanem–Bornu)
Birnin Gazargamu (1460–1808) was Kanem–Bornu Empire capital, 6.5 km earthen walls 5 m high enclosing palace mound, great mosque 100×50 m and 200 compound mounds on Yo/ Kamadugu Yobe. 15th-c.
🇺🇸 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.
🇩🇿 Algeria · Earthwork
Ancestral Pueblo (900–1350 CE) · Ancestral Pueblo
Earthworks of Avenue-Tel Kistvaen in Tassili n'Ajjer, Algeria is a Ancestral Pueblo (900–1350 CE) earthwork attributed to Ancestral Pueblo culture.
🇮🇳 India · Earthwork
Neolithic (3000–2000 BCE) · Southern Neolithic
Sanganakallu — Bellary Ash Mound in Karnataka, Bellary, India is a Neolithic (3000–2000 BCE) earthwork attributed to Southern Neolithic culture.
🇨🇦 Canada · Geoglyph
Early Bronze Age (3300–2100 BCE) · Early Bronze Age
Qasr Mara Ley Geoglyph in British Columbia, Canada is a Early Bronze Age (3300–2100 BCE) geoglyph attributed to Early Bronze Age culture.
🇲🇽 Mexico · Pyramid
Middle Formative Olmec 1000–400 BCE (pyramid c. 1000–600 BCE) · Olmec
Olmec capital La Venta (1000–400 BCE) great pyramid Complex C: 31–33 m high clay mound (150 × 130 m base, volume 100,000 m³), earliest known intentional pyramid in Mesoamerica (1000 BCE) – uniquely…