Machu Picchu, Peru

• it was discovered by Hiram Bingham, an American historian.
•  Machu Picchu was declared a Peruvian Historical Sanctuary in 1981 and a UNESCO World Heritage Site in 1983.
•  Machu Picchu comprises of around 140 structures.
•  Researchers believe that Intihuatana stone was built as an astronomic clock or calendar.
•  Often referred to as "The Lost City of the Incas", Machu Picchu is the most known symbol of the Inca Empire.
•  In 1911, some people were found living on the site and a number of female mummies were also discovered.