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.

Josh explores three locations where people connect with spirits and miracles, from a celebration honoring a mysterious American soldier on a remote Pacific island to portal to the dead in New Orleans.