🇧🇷 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 · 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 · Archaeological wonder
Omagua – El Dorado Jungle Kingdom on Upper Amazon
Contact Amazon 1542–1639 · Omagua (Tupian) / Spanish
Orellana 1542 densely settled Omagua longhouse chiefdom misread as gold kingdom Recorded context — Period: Contact Amazon 1542–1639; Culture: Omagua (Tupian) / Spanish; Field status: not applicable;…
🇧🇷 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 · 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 · Hypothetical site
Z City — Mato Grosso Rondon Second Phantom Ridge (Fawcett's Z east)
Cretaceous Cachimbo quartzite ridge geology + Munduruku rumor relay onto Fawcett notebook; Lost City Z proper is Kuhikugu 70 km SE (separate problem) · Natural quartzite ridge joints and tower karst misread as Z monumental walls (no culture) — real Z is Kuhikugu nearby
Fawcett Z second ridge phantom 8.5S 50.8W — quartzite joint walls 1.5 km and 8 m tower karst misread as Z citadel east of Cachimbo.