Hidden away for centuries in the mountainous cloud forests of Peru, the well-preserved Incan ruins of Machu Picchu are a must for any traveler’s bucket list. Though the site’s origins remain ...
NARRATOR: High in the Peruvian Andes, there's an ancient city called Machu Picchu. It is a ruin that defies explanation. Who were the mysterious people who built it and why did they build it here?