machu picchu or machu pikchu quechua machu old

aguas america ancien ancient andes archaeologist artifact attraction base bingham broad calientes citadel city civilization construction cultural cusco cuzco empire ends heritage hiram history inca jungle landmark landscape lost machu monument mountain old pachacuti peaks person peru peruvian picchu pick pikchu prominence pyramid quechua river rock ruin sacred sanctuary sharp site south stone terrace tourism travel unesco urubamba wall which