Pukará de Quitor (fortress) built
1300 CE.
Shown on the map at -22.891°, -68.214°.
Pukará de Quitor (also spelled Pucará de Quitor) (Quechua pukara fortress) is a pre-Columbian archaeological site in northern Chile. This stone fortress is located 3 km (1.9 mi) northwest of the town of San Pedro de Atacama, overlooking the valley of the river San Pedro. It was designated a national monument in 1982.
Text from the Wikipedia article Pukará de Quitor, licensed CC BY-SA 4.0.