In Search of History - Lost City of the Incas (History Channel)
The spectacular Incan city of Machu Picchu, high in the Andes Mountains, was long thought to be legendary.  Then in 1911, the intrepid explorer Hiram Bingham stumbled upon its remains.  But while the walls and chambers have been extensively studied in the years since, the purpose of this ancient site remains unclear. Go to the top of the world to unravel the mysteries of this enigmatic place.  See incredible footage of the earliest expeditions to Machu Picchu, and meet the men and women who have dedicated their lives to unearthing its secrets.  Wander through the incredible ruins and feel the eerie presence of the past and the timeless secrets that are locked somewhere within.  Was it a pleasure palace, an observatory, a fortress or something else entirely? The answers await just below the clouds in LOST CITY OF THE INCAS.