🇵🇪 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.
🇪🇨 Ecuador · Archaeological wonder
Ingapirca
Ca. Cañari 900–1460 CE + Late Horizon Inca 1460–1532 CE · Cañari + Inca (Quechua, Tawantinsuyu frontier, Inca–Cañari mestizo architecture)
Highest Inca administrative-religious center in Ecuador and sole true Inca site with ashlar (Inca) + adobe Cañari fusion: elliptical Temple of the Sun (39×15 m mortised ashlar ellipse unique in Inca…
🇵🇪 Peru · Archaeological wonder
Machu Picchu
Late Horizon (Inca Imperial, ~1450–1530 CE) · Inca (Quechua)
15th-century Inca citadel perched at 2,430 m on a narrow saddle between Machu Picchu and Huayna Picchu peaks above the Urubamba Valley.