Machu Picchu is an American citadel .
Machu Picchu ( /ˈmatʃu ˈpitʃu/ ) ( Machu Pikchu [ ˈmɑtʃu ˈpixtʃu ] ) is a 15th-century American citadel situated on a mountain ridge 2430 m above sea level .
Machu Picchu