4. The ancient city of Machu Picchu . The tribes of the Incas in Peru .
Machu Picchu or Angkor pin disappearance of Inca (The Lost City of the Incas) is an ancient city located on a mountain in Peru . High from sea level to 2,350 meters, Machu Picchu pin created by the Inca empire . And abandoned when the Incas defeated the Spaniards . Until being discovered by American explorer named San Ramon Bingham (Hiram Bingham) in the year. . 1911 .