Expedition Unknown

Plunging hundreds of feet below ground, Josh explores Spain's treacherous La Garma cave system and finds a floor littered with human remains more than 1,000 years old. Josh's deep dive is a quest for scientific proof of Spain's legendary King Pelayo.

A clandestine meeting with a Cambodian looter puts Josh on the trail of multi-million-dollar stolen monuments. Thanks to the looter's intel, Josh dives into a murky moat where he unearths a priceless lost statue and a missing piece of a national treasure.

Pushing into remote jungles, Josh investigates one of the 20th century's biggest heists looting of Cambodian statues worth hundreds of millions. Chasing new leads, Josh rappels into a crumbling pyramid and digs up a treasure trove of missing monuments.

Josh travels to the Holy Land to find a lost city where Jesus performed many miracles and is also home to three apostles. While investigating competing sites that claim to be the lost city, Josh reveals an inscription that hasn't been seen in 1,400 years.

Risking life and limb, Josh finds treasure from the greatest score in pirate history. The most feared pirate of his time, Henry Avery stole a fortune worth more than $100 million today. Josh leaps into the frigid North Atlantic to recover Avery's riches.

Josh chases the treasure of legendary Viking Harald "Bluetooth" Gormsson. The discovery of a mysterious gold artifact sends Josh on a journey through Scandinavia and into remote northern European forests to uncover Bluetooth's tomb and fortune.

Searching a city of the dead, Josh unearths artifacts from the mysterious Etruscans who ruled central Italy before being conquered by the Roman Empire. A dig site unearths clues that reveal the Etruscans may have inspired Rome's greatest achievements.

Tackling the most famous prison break of all time, Josh retraces the 1962 Alcatraz escape. New leads take Josh from San Francisco to the jungles of Brazil where he finds witnesses and evidence that re-write the FBI's version of the story.