C
American Bottom and central Mississippi River valley
Cahokia Mounds; ancient self-name unknown
Mounds, plazas, neighborhoods, houses, food production, craft, burials, timber monuments, and regional connections reveal a large Indigenous urban center whose population, authority, diversity, and transformation remain actively studied.
Mississippian urban, ceremonial, political, and regional-network context
Primarily approximately 800-1400 CE, with rapid urban growth after about 1050 CE
Mounds, plazas, settlement survey, houses, ceramics, botanical and faunal remains, burials, isotope research, remote sensing, radiocarbon dating, and regional comparison
- Reference site or archaeological context
- Monks Mound at Cahokia Mounds State Historic Site; a monumental orientation point, not a boundary or a template for every Mississippian community
- Language family
- Unknown for the city as a whole; archaeological classification is not a language family
C
Supe Valley and north-central Peruvian coast
Ciudad Sagrada de Caral-Supe
Platform mounds, sunken courts, residences, food systems, fiber technology, music, exchange, and many neighboring centers document early monumental and urban organization on Peru's north-central coast.
Late Archaic urban, ceremonial, household, and regional-system context
Approximately 3000-1800 BCE for the principal Caral-Supe development
Architecture, radiocarbon dating, settlement survey, botanical and marine remains, textiles, quipu-like cord evidence, musical instruments, households, and regional comparison
- Reference site or archaeological context
- Sacred City of Caral-Supe; one major center among many Supe Valley settlements, not the capital of a known ethnic nation
- Language family
- Unknown; monument and settlement patterns cannot establish ethnicity or language
C
San Juan Basin and Four Corners region
Chaco Canyon; multiple Pueblo and Diné place names
Great houses, kivas, roads, water management, farming settlements, objects, rock imagery, and living oral histories connect Chaco Canyon with a broad, debated regional system and many descendant communities.
Ancestral Pueblo ceremonial, architectural, community, and regional-network context
Major Chacoan florescence approximately 850-1250 CE within more than two millennia of Pueblo history
Architecture, settlement survey, tree-ring and radiocarbon dating, roads, ceramics, botanical and faunal remains, objects, rock imagery, oral histories, and Tribal consultation
- Reference site or archaeological context
- Pueblo Bonito in Chaco Culture National Historical Park; one monumental orientation point, not a capital for every ancestral or living Pueblo community
- Language family
- Multiple living language families; archaeology does not assign every Chaco resident one language
C
Moche and Chicama valleys and the northern Peruvian coast
Chan Chan Archaeological Zone
Walled compounds, neighborhoods, workshops, reservoirs, roads, canals, fields, storage, decorated earthen architecture, and funerary platforms document a large city and an unequal coastal political economy.
Late Intermediate Period urban, political, agrarian, craft, and regional-network context
Approximately 900-1470 CE for Chimú development and expansion; Chan Chan continued through Inka and colonial transformations
Earthen architecture, settlement plans, compounds, households, workshops, irrigation, roads, storage, burials, ceramics, metal and textile production, excavation, and colonial testimony
- Reference site or archaeological context
- Chan Chan Archaeological Zone; a principal Chimú political and urban context, not a boundary marker or capital of a homogeneous modern-style nation
- Language family
- Historically multilingual north-coast setting; archaeological evidence does not define a single ethnic language community
C
Mosna-Huachecsa river confluence and connected central Andes
Chavín de Huántar
Stone architecture, plazas, internal galleries, water channels, sculpture, sound, offerings, food, psychoactive plants, and far-reaching imagery support interpretation as a major ceremonial and pilgrimage center with changing authority.
Formative-period ceremonial, pilgrimage, architectural, and regional-network context
Major development broadly approximately 1200-400 BCE, with narrower phase chronologies under continuing research
Architecture, galleries, hydraulic engineering, sculpture, ceramics, plant residues, acoustics, radiocarbon dating, excavation, and regional comparison
- Reference site or archaeological context
- Chavín de Huántar archaeological monument; a pilgrimage and ceremonial reference, not a capital for every community using Chavín-related imagery
- Language family
- Unknown; pilgrimage participation and material style are not language or ethnicity tests
C
Southern High Plains and wider North American archaeological distribution
Blackwater Draw Locality No. 1
Blackwater Draw preserves stratified evidence central to defining Clovis archaeology, including stone tools and extinct animal remains. Its research history illustrates changing chronology, preservation practice, and the limits of assigning an archaeological classification to living identities.
Late Pleistocene archaeological classification and type-site context
Primarily approximately 13,050-12,750 years ago for securely dated Clovis contexts, with earlier and later site use
Stratigraphy, fluted projectile points, stone-tool production, extinct faunal remains, radiocarbon dating, geological study, collections, and excavation records
- Reference site or archaeological context
- Blackwater Draw National Historic Landmark near Portales and Clovis, New Mexico; the type-site reference for a classification, not a tribal homeland or first-peopling origin
- Language family
- Unknown; a tool classification cannot establish language or ethnicity
G
Central Panama, Río Grande de Coclé, and Parita Bay region
El Caño and Sitio Conte
Cemeteries, carved columns, ceramics, goldwork, human remains, settlement evidence, and exchange relationships document inequality, ritual, skilled production, and regional connections while demanding burial ethics and looting awareness.
Regional archaeological, mortuary, craft, and political-organization context
Broadly approximately 200 BCE-1500 CE; El Caño elite cemetery mainly approximately 700-1000 CE
Mortuary archaeology, human remains, ceramics, metalwork, stone sculpture, settlement context, radiocarbon dating, object analysis, colonial testimony, and conservation records
- Reference site or archaeological context
- El Caño Archaeological Park and nearby Sitio Conte; sensitive cemetery references, not capitals or boundaries for one Gran Coclé people
- Language family
- Unresolved for the archaeological classification; ceramics and goldwork do not identify one language
H
Northwestern Plains and Rocky Mountain foothills
Estipah-skikikini-kots
Drive lanes, a cliff, deeply layered bone deposits, processing areas, archaeology, and Blackfoot interpretation show how knowledge, cooperation, labor, spirituality, and landscape supported repeated communal bison harvests.
Long-lived hunting landscape and living Indigenous heritage context
Approximately 5,800 years ago through the nineteenth century, with an interruption in use
Stratified bison bone deposits, drive-lane cairns, processing features, tools, landscape archaeology, historical evidence, and Blackfoot knowledge and interpretation
- Reference site or archaeological context
- Head-Smashed-In Buffalo Jump World Heritage Site near Fort Macleod; a protected Blackfoot cultural landscape, not a boundary for all Plains peoples
- Language family
- Living Blackfoot is Algonquian; deep archaeological layers cannot be assigned automatically to one language
H
Central Ohio River tributaries and wider eastern North American connections
Hopewell Ceremonial Earthworks
Geometric earthworks, hilltop enclosures, lunar and solar alignments, craft objects, burials, and far-reaching material connections document periodic gatherings among dispersed communities in the Ohio River tributaries.
Woodland-period ceremonial landscape and interaction-network context
Primarily approximately 1-400 CE for the World Heritage earthworks, within broader Hopewell archaeological chronologies
Earthwork survey, remote sensing, excavation, radiocarbon dating, material sourcing, astronomical study, burials, objects, and consultation with Tribal Nations
- Reference site or archaeological context
- Hopewell Culture National Historical Park and associated Ohio earthworks; a serial heritage landscape, not a capital or ethnic boundary
- Language family
- Unknown for the builders as a whole; archaeological networks cannot establish one language
I
Cusco-centered Andes and connected territories from present-day Colombia to Argentina and Chile
Qosqo, Qhapaq Ñan, and Tawantinsuyu
Cusco, roads, bridges, storehouses, estates, farms, shrines, administrative centers, recordkeeping, military service, resettlement, and negotiated local rule connected a vast, multilingual state before and during Spanish invasion.
Late precolonial imperial-state, urban, road, labor, ritual, and multilingual-community context
Cusco has a longer history; major Inka imperial expansion approximately 1400-1530s CE, followed by colonial resistance and transformation
Architecture, roads, bridges, settlements, storehouses, terraces, shrines, ceramics, textiles, quipu, landscape archaeology, Indigenous and Spanish colonial accounts, and living knowledge
- Reference site or archaeological context
- Cusco and the Qhapaq Ñan; a state and road-network orientation, never a map of one ethnicity, language, ancestry, or modern territorial claim
- Language family
- Multilingual state; Quechuan languages cannot be equated with one imperial subject population or modern identity
M
Moche Valley and connected northern Peruvian coastal valleys
Huacas de Moche archaeological context
Monumental adobe temples, an urban settlement, workshops, irrigation, burials, imagery, food remains, and sacrificial contexts document changing north-coast communities, institutions, inequality, labor, and conflict.
Archaeological horizon, regional political-formation, urban, ritual, and household context
Approximately 100-850 CE, with substantial regional chronological variation
Architecture, settlement excavation, ceramics, murals, metalwork, irrigation, households, workshops, food remains, human remains, isotopes, burials, and regional chronology
- Reference site or archaeological context
- Huacas de Moche and the intervening urban settlement; one intensively studied political and ceremonial center, not a capital of every Moche-associated valley
- Language family
- Unresolved for archaeological populations; material style is not a language test
M
Valley of Oaxaca and connected southern Mesoamerican networks
Monte Albán; ancient self-name not securely known
Monumental plazas, residences, tombs, inscriptions, craft, agriculture, and regional settlements document centuries of urban and political change in Oaxaca without reducing the valley to one unchanging state or ethnicity.
Long-lived urban, inscriptional, ceremonial, and regional political context
Approximately 500 BCE-900 CE for major urban occupation, within longer valley histories
Settlement survey, architecture, tombs, inscriptions, ceramics, craft production, burials, radiocarbon dating, and regional landscape archaeology
- Reference site or archaeological context
- Monte Albán archaeological zone above the Valley of Oaxaca; a major city reference, not a boundary or automatic capital for all Zapotec communities
- Language family
- Oto-Manguean language evidence is important but cannot identify every resident or artifact
M
South-central Chilean forest and Chinchihuapi Creek landscape
Monte Verde archaeological site
Exceptional preservation of wood, plant remains, hearths, structures, tools, animal material, and a footprint has made Monte Verde central to peopling debates, while new chronological disagreement requires transparent treatment.
Deep-time occupation, preservation, subsistence, and disputed-chronology context
Monte Verde II traditionally dated to approximately 14,500 years ago; a 2026 challenge proposes a younger landform and is strongly contested
Stratigraphy, radiocarbon dating, wood and plant remains, stone tools, structures, hearths, animal remains, footprint evidence, sedimentology, pollen, geology, and scholarly reassessment
- Reference site or archaeological context
- Monte Verde near Chinchihuapi Creek; a protected research orientation point, not a continental entry route, tribal boundary, or universal origin site
- Language family
- Unknown; deep-time archaeology cannot be assigned automatically to a living language or people
P
Lower Mississippi Valley
Monumental Earthworks of Poverty Point
Concentric ridges, mounds, a plaza, domestic evidence, craft, and materials moved over long distances document a large Late Archaic gathering and residential place created without agriculture-based state models.
Late Archaic earthwork, residential, ceremonial, and exchange context
Primarily approximately 1700-1100 BCE, with earlier and later landscape histories
Earthen architecture, geophysical survey, stratigraphy, domestic features, stone and fired-clay objects, raw-material sourcing, radiocarbon dating, and landscape study
- Reference site or archaeological context
- Poverty Point World Heritage Site near Epps, Louisiana; an archaeological and heritage reference, not a tribal capital or territorial boundary
- Language family
- Unknown; materials and architecture cannot independently identify language or ethnicity
S
Lower Coatzacoalcos basin and southern Gulf Coast lowlands
San Lorenzo Tenochtitlán
Landscape modification, residential terraces, stone sculpture, water and transport routes, subsistence evidence, and surrounding settlements show a major Early Formative center embedded in tropical lowland communities.
Formative-period settlement, landscape, craft, and regional political context
Major development approximately 1500-850 BCE, with later occupations
Settlement archaeology, stratigraphy, radiocarbon dating, landscape modification, sculpture, domestic terraces, plant evidence, regional survey, and material sourcing
- Reference site or archaeological context
- San Lorenzo Tenochtitlán archaeological zone in Veracruz; a major regional center, not an ethnic capital for every community labeled Olmec
- Language family
- Unresolved; archaeological style cannot determine one spoken language or ethnicity
T
Basin of Mexico and Triple Alliance tributary networks
Mēxihco-Tenochtitlan
Island urbanism, causeways, canals, markets, chinampa agriculture, tribute, temples, households, warfare, diplomacy, and multilingual subject communities sustained Tenochtitlan and an unequal alliance before Spanish-led conquest.
Late Postclassic urban, imperial-alliance, tribute, ritual, and conquest context
Foundation traditions in the fourteenth century; major alliance period 1428-1521 CE
Archaeology, architecture, offerings, Nahuatl-language texts, pictorial manuscripts, tribute records, early colonial testimony, environmental study, and continuing excavation
- Reference site or archaeological context
- Templo Mayor archaeological zone in Mexico City; the sacred and political core of Tenochtitlan, not a boundary for all Nahua peoples
- Language family
- Uto-Aztecan for Nahuatl; political subjecthood did not assign every resident one language or identity
T
Basin of Mexico and wider Mesoamerican networks
Teotihuacan; ancient city-name and resident self-names unresolved
A planned avenue, pyramids, temples, apartment compounds, neighborhoods, murals, craft workshops, burials, and imported materials reveal a large, socially varied city connected across Mesoamerica.
Multilingual urban, neighborhood, craft, ritual, and political context
Major urban development approximately 100 BCE-650 CE, with earlier settlement and later reuse
Urban mapping, architecture, apartment compounds, murals, ceramics, obsidian production, isotopes, burials, inscriptions from connected regions, and environmental study
- Reference site or archaeological context
- Teotihuacan archaeological zone; the monumental core of a diverse ancient city, not a territorial or ethnic boundary
- Language family
- Unresolved and potentially multilingual; material neighborhoods cannot be treated as fixed ethnic enclaves
T
Central Maya Lowlands and Petén forest
Tik'al; ancient Mutul emblem evidence
Temples, palaces, reservoirs, houses, causeways, burials, objects, and hieroglyphic monuments document a major lowland Maya city whose alliances, conflicts, households, and environmental management changed across centuries.
Classic Maya urban, dynastic, inscriptional, environmental, and regional-network context
Settlement from the first millennium BCE; major Classic florescence approximately 250-900 CE
Architecture, settlement survey, reservoirs, botanical evidence, ceramics, burials, hieroglyphic inscriptions, iconography, radiocarbon dating, and regional comparison
- Reference site or archaeological context
- Great Plaza and monumental core of Tikal National Park; one city center, not the capital of all Maya peoples
- Language family
- Mayan; elite written language does not represent every spoken variety or identity
T
Southern Lake Titicaca basin, Altiplano, and connected valleys and coasts
Tiwanaku archaeological and living-heritage landscape
Monuments, raised-field farming, residences, craft, iconography, camelid caravans, colonies or enclaves, and regional exchange illuminate a powerful but debated political and religious network around Lake Titicaca and beyond.
Urban, ceremonial, agrarian, political, and interregional-network context
Long local sequence; principal urban and regional florescence approximately 400-1000 CE, with decline extending into the eleventh or twelfth century in some models
Monumental architecture, settlement survey, residences, raised fields, ceramics, sculpture, textiles, isotopes, botanical remains, caravan evidence, radiocarbon dates, and regional comparison
- Reference site or archaeological context
- Tiwanaku monumental center near Lake Titicaca; a political and ceremonial reference, not a boundary map or capital of a homogeneous modern-style nation
- Language family
- Unresolved for the polity's population; archaeological style does not identify one spoken language
W
Tularosa Basin and ancient Lake Otero
Lake Otero trackways
Trackways preserved in former lake-margin sediments document children and adults moving through a changing Ice Age landscape shared with now-extinct animals. The evidence revises archaeological chronology without supplying a cultural name or personal ancestry conclusion.
Deep-time trackway, landscape, and chronology context
Approximately 23,000-21,000 years ago for the dated footprint-bearing layers
Stratified human and animal footprints, lake sediments, radiocarbon dating of aquatic plant seeds and pollen, optically stimulated luminescence, and geological context
- Reference site or archaeological context
- White Sands National Park and ancient Lake Otero playa; a protected research orientation point, not a migration origin, cultural boundary, or public footprint trail
- Language family
- Unknown; no language or living identity can be assigned from the trackways
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