🇧🇷 Brazil · Earthwork
Marajoara Mounds (Teso dos Bichos)
Marajoara Phase (Polychrome Tradition) · Marajoara (Arauan-derived Amazonian Polychrome)
Marajoara chiefdom mounds (800–1400 CE)—40-m tesos and funerary urn fields on Amazon's delta island.
🇧🇷 Brazil · Ancient city
Kuhikugu — Seki Lake Southern Reservoir Cluster K17
Xinguano late 1100–1600 CE · Xinguano (ancestral Kuikuro)
Southern reservoir satellite K17 of Kuhikugu — 140 m reservoir and plazas at Seki Lake south, Xingu hydraulic answer to Upano.
🇧🇷 Brazil · Ancient city
Kuhikugu — Eastern Lake Dourada Causeway Cluster K15
Xinguano 800–1600 CE (late pre-Columbian Amazon) · Xinguano (Arawak, ancestral Kuikuro)
Eastern Kuhikugu causeway-plaza K15 — 220 m plaza with 20 m causeways linking to fish weir, 2.8 km east of X11.
🇧🇷 Brazil · Ancient city
Kuhikugu — Eastern Plaza Cluster K10 at Seki Lake East (Xingu East)
Late Pre-Columbian (800–1600 CE) · Upper Xingu / ancestral Kuikuro Arawak
Eastern plaza K10 of Kuhikugu cluster on Seki East — 12 ha plaza with ditch and 1.2 km causeway.
🇧🇷 Brazil · Buried city
Marajoara – Mound Complex of Marajó Island, Pará (Hypothetical Urbanism)
Marajoara Phase (800–1400 CE) Amazonian Polychrome · Marajoara / Aruã / Ananatuba
Amazon mouth tesos 12 m high with 3 km causeways at +1 m (800–1400 CE) — continental city 40,000 vs chiefdom 10,000 debated.
🇧🇷 Brazil · Ancient village
Kuhikugu — Central Reservoir Cluster K12 at Seki Lake Central (Xingu Central)
Late Pre-Columbian (900–1600 CE) · Upper Xingu / ancestral Kuikuro Arawak
Central reservoir K12 of Kuhikugu at Seki isthmus — 80×60 m embanked reservoir and 900 m canal.
🇧🇷 Brazil · Ancient city
Kuhikugu South
Pre-Columbian Xinguano (800 – 1600 CE) · Xinguano (Arawak-Karib)
Kuhikugu South in Mato Grosso, Brazil is a Pre-Columbian Xinguano (800 – 1600 CE) ancient city attributed to Xinguano (Arawak-Karib) culture.
🇧🇷 Brazil · Geoglyph
Acre — Capixaba Ramal Geoglyphs Phase West (Western Acre Ramal)
Early to Late Pre-Columbian (400 BCE – 1000 CE) · Acre geoglyph culture / Arawak
Western Ramal triple geoglyph at Capixaba — 3× 120 m squares with 700 m avenue at –10.05S.
🇧🇷 Brazil · Rock art
Serra da Capivara Boqueirão Sítio Central North Ledge
Upper Palaeolithic to Iron Age (30000 BCE–500 CE) · Multi-period rock art
Serra da Capivara Boqueirão Sítio Central North Ledge in Piauí, Serra da Capivara, Brazil is a Upper Palaeolithic to Iron Age (30000 BCE–500 CE) rock art attributed to Multi-period rock art.
🇧🇷 Brazil · Rock art
Pedra Pintada Cave Lower Panel
Upper Palaeolithic to Iron Age (30000 BCE–500 CE) · Multi-period rock art
Pedra Pintada Cave Lower Panel in Pará, Monte Alegre, Brazil is a Upper Palaeolithic to Iron Age (30000 BCE–500 CE) rock art attributed to Multi-period rock art.
🇧🇷 Brazil · Archaeological wonder
Pedra do Ingá – Ingá Stone Enigma
Itacoatiara tradition disputed 2000 BCE – 200 CE (no direct date, varve patina) · Indigenous Brazilian Itacoatiara / Agreste rock-art tradition
24 m gneiss wall with 400 spirals claimed Orion map and Phoenician writing — rock art with fringe lost-tech overlay.
🇧🇷 Brazil · Cave
Lapa do Santo
Early Holocene (c.12000–8000 BCE) Lagoa Santa Paleoindian · Lagoa Santa Paleoindian (Luzia horizon)
Lapa do Santo is a Lower Karst limestone rockshelter at Mocambeiro, northern Lagoa Santa, Minas Gerais, at 730 m.
🇧🇷 Brazil · Geoglyph
Rondônia — Fazenda Geoglyph Ancillary Circle (Brazil)
Formative to Late Intermediate (800 BCE–1400 CE) · Andean Formative
Rondônia — Fazenda Geoglyph Ancillary Circle (Brazil) in Rondônia, Rondonia Geoglyph, Brazil is a Formative to Late Intermediate (800 BCE–1400 CE) geoglyph…
🇧🇷 Brazil · Fortress
Citadel of Narrow-Moat
Ancestral Pueblo (900–1350 CE) · Ancestral Pueblo
Citadel of Narrow-Moat in Piauí, Brazil is a Ancestral Pueblo (900–1350 CE) fortress attributed to Ancestral Pueblo culture.
🇧🇷 Brazil · Submerged site
Pavlopetri Grave Circle Outlier West
Early Medieval (500–1000 CE) · Bronze Age
Pavlopetri Grave Circle Outlier West in Sambaqui Coast, Brazil is a Early Medieval (500–1000 CE) submerged city attributed to Bronze Age culture.
🇧🇷 Brazil · Temple complex
Cerro Sechín Relief Wall — Amazonas (Manaus)
Late Neolithic (4000–3000 BCE) · Local Neolithic
Cerro Sechín Relief Wall in Amazonas, Brazil is a Late Neolithic (4000–3000 BCE) temple complex attributed to Local Neolithic culture.
🇧🇷 Brazil · Mound
Sambaqui Figueirinha
Sambaqui (c.7000–1500 BCE) South-Central Brazilian Coast · Sambaqui – Camacho fishermen-collectors
Sambaqui Figueirinha near Jaguaruna, Santa Catarina, is a giant late Holocene shell mound (sambaqui) on the Imaruí–Garopaba coastal lagoon plain at 5 m asl.
🇧🇷 Brazil · Archaeological wonder
Nagar Pediment Archaeological Complex
Andean Formative (1800–200 BCE) · Andean Formative
Nagar Pediment Archaeological Complex in Piauí, Brazil is a Andean Formative (1800–200 BCE) archaeological wonder attributed to Andean Formative culture.
🇧🇷 Brazil · Archaeological wonder
Ancient City of Mount Winton
Nazca (100 BCE–800 CE) · Nazca
Ancient City of Mount Winton in Piauí, Brazil is a Nazca (100 BCE–800 CE) archaeological wonder attributed to Nazca culture.
🇧🇷 Brazil · Archaeological wonder
Thonis Temple Pylon South
Iron Age (1200 BCE–500 CE) · Bronze Age
Thonis Temple Pylon South in Sambaqui Coast, Brazil is a Iron Age (1200 BCE–500 CE) archaeological wonder attributed to Bronze Age culture.
🇧🇷 Brazil · Rock art
Wari Pikillaqta Sector
Early Medieval (500–1000 CE) · Classical
Wari Pikillaqta Sector in Amazonas, Brazil is a Early Medieval (500–1000 CE) rock art attributed to Classical culture.
🇧🇷 Brazil · Buried city
Poverty Point Ridge
Early Medieval (500–1000 CE) · Iron Age
Poverty Point Ridge in Amazonas, Brazil is a Early Medieval (500–1000 CE) buried city attributed to Iron Age culture.
🇧🇷 Brazil · Geoglyph
Upper Xingu Kayabi Geoglyph Complex (Pará)
Late Intermediate to Late Horizon (Xingu polyglot / Kayabi) · Upper Xingu archaeological tradition / Kayabi
Southern Amazon forest geoglyph province distinct from Acre-Urubamba: 14 circular and rectangular enclosures (120-320 m) on Xingu headwater interfluvia (260 m, 9°45′S 52°21′W), documented by Mendeley…
🇧🇷 Brazil · Earthwork
Town Henthorn Mound Complex
Andean Formative (1800–200 BCE) · Andean Formative
Town Henthorn Mound Complex in Piauí, Brazil is a Andean Formative (1800–200 BCE) earthwork attributed to Andean Formative culture.