🇵🇪 Peru · Temple complex
Sechín Bajo Archaeological Site
Late Archaic–Initial 3500–1500 BCE · Casma-Sechín tradition
First Plaza 3500 BCE, Third Platform 16 m × 300 m.
🇵🇪 Peru · Megalith
Castillo de Huarmey — Wari Imperial Mausoleum
Wari Middle Horizon 600–1000 CE · Wari (Huari imperial)
Wari mausoleum 64 tombs gold queens 600–800 CE, intact 2012.
🇵🇪 Peru · Archaeological wonder
Chankillo Archaeoastronomical Complex
Early Horizon–Early Intermediate 250–200 BCE (Initial Late Chavín to Wari interstice, Casma-Sechín tradition) · Casma–Sechín / Pampas ( north-central desert, precedent to Moche for Casma valley, not Inca)
Oldest solar observatory in Americas (250–200 BCE): 13 evenly spaced 2–5 m towers on 300 m ridge crest marking annual solar horizon from two enclosed observation pavilions (western fortress hill and…
🇵🇪 Peru · Archaeological wonder
Wilcahuain (Huilcahuaín)
Middle Horizon Wari 700–800 CE · Wari (Huaraz highland)
3-storey Wari gallery-mausoleum with interior ventilated labyrinth, 700–800 CE.