🇵🇪 Peru · Hydraulic works
Puquios de la Achirana
Late Horizon Inca Imperial 1450 CE · Inca (Quechua) imperial engineers
12 Inca puquios gallery aqueducts (17 km, 1450 CE) of the Achirana canal, Inca ashlar aqueduct feeding Ica Valley.
🇵🇪 Peru · Geoglyph
Chinchaysuyo Ceque Lines (Greater Cusco)
Late Horizon (Inca Imperial) · Inca (Quechua)
High-altitude (3,400 m) radial sacred geography of the Inca capital: 41 ceque lines radiating from Coricancha/Qorikancha to huaca shrines bounding Sacsayhuamán pampa and Chinchaysuyo suyu.
🇨🇱 Chile · Geoglyph
Salar del Sur Este Avenues Geoglyphs (Eastern Approach Corridor)
Late Intermediate to Late Horizon (Inca) · Atacameño–Inca caravan
Salar del Sur east corridor: 20 paired Avenues forming 1.4 km converging system toward playa.
🇵🇪 Peru · Hydraulic works
Qhapaq Ñan – Andean Road System
Inca Empire with antecedents Wari/Tiwanaku (~1000–1532 CE; Inca 1438–1532 CE) · Inca (with pre-Inca antecedents)
The backbone of Tawantinsuyu, Qhapaq Ñan runs 6,000 km along the Andean crest from Colombia to Chile, with east–west transversal roads totalling over 23,000 km.
🇵🇪 Peru · Hydraulic works
Moray Agricultural Terraces
Late Horizon, Inca (~1300–1530 CE) · Inca
Three colossal natural depressions on the Maras plateau were amplified by Incas into concentric circular andenes up to 150 m across and 30 m deep, each terrace a microclimate ring with temperature…