machu picchu, cusco in peru

abandoned america ancient andean andes architecture austral bingham citadel city civilization culture cusco cuzco empire famous fortification fortress heritage hiram history huayna huaynapicchu inca incan incas inka landmark lost machu machupicchu mountain mountains ollantaytambo pachacuti peru picchu place precolumbian quechua river ruins sacred south stonewalled stronghold the touristic travel urban urubamba valley wall wonder