Expedition Unknown

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.

With breakthrough discoveries in Egypt, Josh races to join an active dig of 4000-year-old tombs. Josh gains exclusive access and uncovers mummies and treasure that could solve the mysterious collapse of ancient Egypt's Old Kingdom.

In the epic conclusion of his two-part investigation, Josh Gates re-traces 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.

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.

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.

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.