🇵🇪 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 · Ancient city
Inkilltambo
Late Horizon (c.1430–1532 CE) Inca · Inca
Inkilltambo is a large Inca terrace-estate 2 km east of central Cusco on the Watanay's right bank at 3,520 m.
🇦🇷 Argentina · Ancient city
El Shincal de Quimivil – Southernmost Inca Capital
Late Horizon Inca Imperial (1471–1536 CE, abandoned post-1536) · Inca (Topa Inca – Diaguita / Calchaquí conquest)
Inca provincial capital (1470–1536) in Catamarca, the southernmost planned Inca city in the empire, founded by Topa Inca Yupanqui to govern Calchaquí valley Diaguita conquest: fully orthogonal Inca…
🇪🇨 Ecuador · Hydraulic works
Achupallas Ingapirca Inca Road Segment
Late Horizon Inca Imperial (1470–1532 CE) · Inca (Topa Inca / Huayna Capac – Cañari conquest)
Extraordinary preserved 8 km upland paramo section of Inca Qhapaq Ñan (royal road) climbing 3600–4200 m across Azuay páramo linking Achupallas (Inca tambo) to Ingapirca (Hatun Cañar) via stone-paved…
🇵🇪 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…
🇵🇪 Peru · Hydraulic works
Tipón Hydraulic Gardens
Wari to Late Horizon ~1200–1572 CE · Wari then Inca
Inca 12-terrace walled garden where spring water sings through 600-year-old stone drains.