Josh visits three sites where the journey is the destination. He follows a coca leaf farmer down Bolivia's perilous Death Road, explores history's most feared prison in French Guiana and investigates a mysterious 12,000-year-old structure in Turkey.

Josh investigates the iconic mystery of the crystal skulls. He visits sites in Belize, Spain and Scotland where the legends are born from obsession.

Josh explores three iconic monuments, including the majestic Statue of Liberty and one of the world's greatest architectural masterpieces -- the Blue Mosque.