Chankillo
TempleSouth AmericaPeruc. 250 BCECasma-Sechin
World's oldest known solar astronomical observatory. Thirteen towers along a north-south ridge mark sunrise and sunset positions across the year, calibrating the agricultural calendar. Dates to ~250 BCE. UNESCO World Heritage 2021.
Open in the Atlas map →Walkthrough videos (1)
The Strangest Structures of Ancient PeruOmbio Productions
Nearby sites
- Casma Valley Geoglyphs10 km
- Chavín de Huántar116 km
- Caral167 km