🇦🇷 Argentina · Buried city
Pen Rig Mere Buried Settlement
Mississippian (800–1600 CE) · Mississippian
Pen Rig Mere Buried Settlement in Catamarca, Argentina is a Mississippian (800–1600 CE) buried city attributed to Mississippian culture.
🇦🇷 Argentina · Necropolis
Mound Canal Necropolis
Ancestral Pueblo (900–1350 CE) · Ancestral Pueblo
Mound Canal Necropolis in Catamarca, Argentina is a Ancestral Pueblo (900–1350 CE) necropolis attributed to Ancestral Pueblo culture.
🇦🇷 Argentina · Pyramid
Pyramid of Wadi Khirbet
Roman (300 BCE–500 CE) · Roman
Pyramid of Wadi Khirbet in Catamarca, Argentina is a Roman (300 BCE–500 CE) pyramid attributed to Roman culture.
🇦🇷 Argentina · Hypothetical site
Sierra de las Quijadas — Potrero Central Aguada Causeway (Potrero de la Aguada Centre)
Hypothetical pre-Hispanic to Historic · Hypothetical Huarpe / Historic Hualtaran pastoral
Hypothetical central causeway on Potrero de la Aguada floor — 800 m pavement amid historic corrals.
🇦🇷 Argentina · Hypothetical site
Sierra de las Quijadas — Potrero de la Aguada Enigmatic Walls
Holocene natural / possibly Late Holocene human (unvalidated) · Unassigned Huarpes / Comechingón? / Jesuit?
Erosive 4000 ha Potrero de la Aguada amphitheatre inside Quijadas range — 40–80 m low stone walls bracketing stream forks, culture debated.
🇦🇷 Argentina · Earthwork
Sierra de las Quijadas — Potrero de la Aguada Southern Enclosure (Potrero Sur)
Contested Holocene ambiguous — Holocene to Late Pre-Hispanic hypothesis or natural jointing · Contested Huarpe / Comechingón (?) or natural geofact (unvalidated)
Southern Potrero enigmatic walls — 600 m rectilinear stone line 0.6 m and circular huts 4 m under Chaco vine forest; contested Huarpe vs natural jointing.
🇦🇷 Argentina · Earthwork
Sierra de las Quijadas — Potrero Northern Wall Avenue and Causeway (Potrero Norte)
Contested Holocene ambiguous — historic to pre-Hispanic hypothesis · Contested Comechingón / Huarpe (?) or natural cuesta (unvalidated)
Northern rim avenue 900 m causeway 1.2 m with bastions 6 m along Potrero norte — contested Huarpe causeway vs cuesta bedding.
🇦🇷 Argentina · Earthwork
Sierra de las Quijadas — Potrero Northern Wall Avenue and Causeway (Potrero Norte) — v2
Contested Holocene ambiguous — historic to pre-Hispanic hypothesis · Contested Comechingón / Huarpe (?) or natural cuesta (unvalidated)
Northern rim avenue 900 m causeway 1.2 m with bastions 6 m along Potrero norte — contested Huarpe causeway vs cuesta bedding.
🇦🇷 Argentina · Hypothetical site
Sierra de las Quijadas — Potrero Eastern Ridge Outlier Chapels (Potrero East Ridge)
Hypothetical pre-Hispanic to Historic · Hypothetical Huarpe / Historic pastoral
Hypothetical eastern ridge outlier above Potrero — 600 m wall and 6 m circles as pircas.