Expedition Unknown

Chasing a lead, Josh Gates rushes to Poland to join locals opening a secret Nazi tunnel system dug into a dormant volcano; he helps remove the stone wall built by the retreating Germans and enters to see what's been hidden for more than 75 years.

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.

Josh Gates heads to the Wild West in search of the hidden loot heisted by infamous lawmen turned criminals, the Dalton Gang. Re-tracing the Gang's last steps and investigating their final, deadly shoot-out, Josh chases a fortune worth millions today.

Josh Gates goes on a worldwide search for aviation's most famous lost plane. Just before Lindbergh made history, two rivals attempted a Paris to New York transatlantic flight. Chasing new clues, Josh scours two continents to find the lost "White Bird."

On the trail of the secretive Knights Templar, Josh chases the legendary warriors' lost fortune including the coveted Holy Grail. In England, Josh digs in to find a Templar buried tunnel. Then, he travels to Poland to excavate a rare Templar gravesite.

Josh Gates hunts the lost fortune of infamous bootlegger Dutch Schultz.

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 rewrite the FBI's version of the story.

With breakthrough discoveries in Egypt, Josh races to join an active dig of 4,000-year-old tombs; Josh gains exclusive access and uncovers mummies and treasure that could solve the mysterious collapse of ancient Egypt's Old Kingdom.

Investigating the mysterious collapse of Egypt's old kingdom, Josh completes his Saqqara necropolis dig; opening several tombs, Josh finds treasure, clues and haunting remains; testing results may prove they've discovered Egypt's oldest royal mummy.

Josh digs deep into the swamp to hunt the lost fortune of notorious bootleggers and bank robbers the Ashley Gang; Josh needs to retrace the outlaw family's criminal empire, which included a blood feud with the local Florida sheriff.

Looking to answer enduring questions around Moses' existence and the story of Exodus, Josh takes an epic adventure that starts with opening an ancient Egyptian tomb and ends with trekking what could be the true Mount Sinai.

In this conclusion of his two-part investigation, Josh Gates finishes retracing Moses' steps from the peak of Mount Sinai deep into the Israeli desert. To separate man from myth, Josh dives the Sea of Galilee and investigates what is said to be Moses' tomb.

Josh treks the punishing Donner Pass to uncover how desperate pioneers who were trapped by blizzards in the Sierra Nevada turned to cannibalism; in an unprecedented six-month investigation, Josh retraces the steps of the courageous rescue teams.

Searching a city of the dead, Josh unearths artifacts from the 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.