Expedition Unknown

Josh digs deep into the swamp to hunt the lost fortune of notorious bootleggers and bank robbers, the Ashley Gang. To find the millions, Josh needs to re-trace the outlaw family's criminal empire that included a blood feud with the local Florida sheriff.

Josh digs in to unearth the secret world of the Knights Templar, the legendary warriors rumored to have amassed vast riches and treasures, including the coveted Holy Grail. Josh joins an excavation of a rare Templar gravesite in eastern Europe.

Josh Gates rafts into an abandoned tunnel system to chase art and treasure stolen by the Third Reich. Then, the diary of a high-ranking SS officer leads to a search for tons of stolen gold. Later, Josh searches for a buried Nazi Enigma machine.

With word of an urgent lead, Josh jets to Poland to join in the opening of a secret Nazi tunnel system dug into a dormant volcano. Josh helps a local team tear away a stone wall built by the Germans in the last days of World War 2.

Josh Gates heads to the Wild West in search of the hidden loot - worth millions in today's dollars -- that was heisted by the infamous group of lawmen turned criminals, the Dalton Gang.

On the trail of aviation's most famous lost plane, Josh goes on a worldwide search. Before Lindbergh made history, two rivals attempted a Paris to New York transatlantic flight. Chasing new leads, Josh scours two continents to find the lost "White Bird."

Josh Gates chases the lost fortune of Prohibition's infamous bootlegger Dutch Schultz. Josh dives the murky shore near Dutch's lavish New York mansion and searches the massive underground bunker that housed Dutch's secret distillery.

Josh dives the Atlantic in search of millions in lost coins sunk with America's Titanic. In 1838, a steamship carrying some of America's wealthiest citizens exploded off the Carolina coast. New sonar scans may lead to the wreckage and the lost fortune.