detail of gate of the sun at tiwanaku tiahuanaco, pre-columbian archaeological site - la paz, bolivia

america ancient andean andes anthropology archaeological archaeology architecture bolivia civilization civilizing culture gate gateway history inca indigenous megalithic monument mystery precolombian religion rock ruin ruins sacred site south stately statue stone temple tiahuanaco tiahuanacu titicaca tiwanacu tiwanaku tourism travel unesco viracocha