Cumbemayo - Credit: Wikimedia Commons
Cumbemayo or Cumbe Mayo is an archaeological site located 20 kilometers southwest of the city of Cajamarca in Peru at 3,500 meters of elevation. Built around 1500 B.C.E, it comprises aqueducts, a grotto and petroglyphs; all within an area of rock formations. Read more on Wikipedia
Source: en.wikipedia.org