Machu Picchu Is A Pre-Columbian Inca Site Located 2,430 Metres (8,000 Ft) Above Sea Level. It Is Situated On A Mountain Ridge Above The Urubamba Valley In Peru, Which Is 80 Kilometres (50 Mi) Northwest Of Cusco And Through Which The Urubamba River Flows. The River Is A Partially Navigable Headwater Of The Amazon River. Often Referred To As The Lost City Of The Incas, Machu Picchu Is One Of The M Photo