huayna picchu, or wayna pikchu, mountain in clouds rises over machu picchu inca citadel, lost city of the incas

huayna picchu wayna pikchu mountain machu inca citadel lost city incas mist clouds surrounded lush vegetation steep peru urubamba trail travel andes ancient cusco america old landmark south ruin famous civilization architecture landscape heritage valley unesco incan destination ruins nature building cloud tourist mountains green archaeological sacred scenic mystery background wonder