Expedition UnknownSeason 18

TV-PG

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An archeologist travels around the world looking for unknown and missing artifacts from throughout time.

Where to Watch Expedition Unknown • Season 18

7 Episodes

Hunt for World War II Hellships
E1
Hunt for World War II HellshipsJosh searches for lost Allied soldiers on the Hofuku Maru, a Japanese Hellship.
Finding World War II's Lost Prisoners
E2
Finding World War II's Lost PrisonersA deep-water dive leads to the historic discovery of a lost WWII hell ship, where an estimated 1,000 soldiers made the ultimate sacrifice. Given rare access, Josh assists a U.S. Department of Defense mission, recovering potential remains of American POWs.
Death Jars of Laos
E3
Death Jars of LaosJosh Gates treks into the remote jungles of Laos to investigate the mysterious Plain of Jars. Navigating landscapes still littered with unexploded ordnance, he uses advanced technology to uncover the secrets of this ancient, lost civilization.
Sunken City of Pirates
E4
Sunken City of PiratesA first-of-its-kind sonar survey reveals a submerged pirate lair located off the coast of Jamaica. Using groundbreaking photogrammetry, Josh dives in to hunt for the $50M stolen treasure of Black Bart, the King of Pirates.
Secrets of Mexico's Underworld
E5
Secrets of Mexico's UnderworldJosh joins archeologists as they bushwhack through thick jungles and rappel into vast caves in search of the lost Zoque culture. Deep underground, the team pushes through flooded sections and finds thousands of ritual offerings that may solve the mystery.
Inca Treasure Tunnels
E6
Inca Treasure TunnelsJosh helps discover and explore a labyrinth of lost tunnels; he dodges traffic to assist in a first-ever radar scan below the busy streets of Cuzco, Peru; he joins them as they push into the tunnels and find priceless ancient treasures.
Chasing Civil War Gold
E7
Chasing Civil War GoldJosh hunts for millions in missing Confederate gold. First, he follows a new lead and explores a wagon train robbery site where gold and silver coins vanished. Then, an eyewitness account points to the location of Jefferson Davis's lost war chest.

Cast of Season 18

Josh GatesSelf - Host

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