🇵🇪 Peru · Hydraulic works
Cumbemayo Aqueduct, Cajamarca
Andean Formative (Early Horizon) · Cajamarca (Cumbemayo culture) pre-Chavín
Andean 9-km zigzag rock-cut canal 1500 BCE with zigzag flow-slowing and Frailones hoodoos.
🇵🇪 Peru · Geoglyph
Palpa Lines and Geoglyphs
Paracas (800–200 BCE) to Topará (200 BCE–200 CE) to early Nazca · Paracas and Topará–Nazca
1,000 hill-crest geoglyphs (1000 BCE–800 CE) — the Paracas predecessor to Nazca on Palpa terraces.
🇨🇱 Chile · Geoglyph
Atacama Giant
Late Intermediate 900–1450 CE · Atacameño / Pica-Tarapacá culture influenced by Tiwanaku
World's largest anthropomorphic geoglyph: 119-m hill figure marking caravan trails.