In 19911,Hiram Bingham was exploring in the andes mountains in Peru. Bingham was an American professor form Yale University, who was looking for Inca ruins. One day, he asked a guidf to take him to some ruins hiht in the mountains.When they reached the ruins, the professor was amazed.''It seemed like an unbelievable dream'' he leter wrote. ''What could this place be ? '' The place was the forgotten city of Machu Piccho.