🇨🇱 Chile · Megalith
Rapa Nui National Park (Easter Island Moai)
Rapa Nui Period 900–1500 CE; ahu construction 1000–1600 CE · Rapa Nui (Polynesian)
Remote Polynesian island 3,700 km west of Chile with nearly 900 basalt moai monoliths (up to 10 m, 86 t, one unfinished 270 t) carved 900–1500 CE at Rano Raraku tuff quarry and erected on stone ahu…
🇵🇪 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.