Expedition Unknown Episodes

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Season 5, Episode 4

Atlantis of the Andes

Josh Gates dives into a mystery below South America's Lake Titicaca. During the investigation, Josh discovers multiple structures of the ancient Tiwanaku people, including ruins hidden in the lake's depths, dubbed "The Atlantis of the Andes."

Season 5, Episode 5

Lost Gold of Scotland

Hunting for a lost cache of gold, Josh Gates heads to the Scottish Highlands. His search focuses on a huge gold reserve hidden after the Jacobite Uprising of 1745 and never recovered. Josh joins treasure hunters chasing a new lead across the Highlands.

Season 5, Episode 6

Ghost Ship of the Great Lakes

Josh Gates tackles an enduring maritime mystery, the first ship to be lost in the Great Lakes, The Griffon. Using a state of the art two-man submersible, Josh dives in to find a ship so elusive, it's known as "The Holy Grail of Shipwrecks."

Season 5, Episode 7

Legend of the Crystal Skull

Josh Gates takes on Central America's jungles to investigate the legendary crystal skull discovered by a renowned adventurer who was the inspiration for Indiana Jones. Josh probes whether the skull is an invaluable relic or archaeology's tallest tale.

Season 5, Episode 8

America's Lost WWII Hero

Josh Gates explores the case of lost World War II hero Gertrude "Tommy" Tompkins of the Women Air Force Service Pilots, who went missing when her P-51 Mustang crashed. Josh joins search teams using cutting-edge technology to bring the lost hero home.

Season 5, Episode 9

The Hunt for the Golden Owl

Josh Gates stalks prey that has eluded capture for 25 years, the Golden Owl. A book of riddles gives cryptic clues to where the Owl statuette, worth half a million dollars, is hidden. Josh joins treasure hunters using new leads to chase the fortune.