5. Machu Picchu
Machu Picchu or Machu Pikchu is located in the Cusco Region, Urubamba Province, Machupicchu District in Peru. It is situated on a mountain ridge above the Sacred Valley which is 50 mi northwest of Cusco and through which the Urubamba River flows. Most archaeologists believe that Machu Picchu was built as an estate for the Inca emperor Pachacuti. Often referred to as the "Lost City of the Incas", it is perhaps the most familiar icon of Inca civilization.