Josh explores the beauty of the spiritual realm. He investigates a German basilica said to house the bones of 11,000 virgins, a Japanese ice cave guarded by a dragon's spirit and a remote island where cats outnumber humans.

Josh Gates explores legendary places of protection, from a historic military fortress in Gibraltar and Pablo Escobar's secret Colombian hideaway to a floating kingdom on Peru's Lake Titicaca.

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.