🇵🇪 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
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.
🇵🇪 Peru · Pyramid
Huaca Pucllana
Early Intermediate Lima (200–700 CE) with Middle Horizon Wari intrusive 500–700 CE · Lima (Ichma predecessor of Pachacamac) with Huari (Wari) superstructure
Seven-storey adobe pyramid (500×100 m, 25 m high) in Miraflores, Lima, built bookcase-style (small vertical adobe bricks placed on edge like books) to resist earthquakes, with Wari cemetery above.
🇵🇪 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 · Geoglyph
Nazca Lines
Early Intermediate Period, Paracas to Nazca culture · Paracas / Nazca
Over 300 geometric and figurative geoglyphs etched by removing dark desert pavement to reveal light subsoil across 450 km² of arid Pampas, including 1.8 km hummingbird, monkey, spider, and trapezoids…