Expedition Unknown, Deciphering the Last Nazi Code

Josh Gates ventures into the former Third Reich in search of an elusive Nazi fortune hidden with a code allegedly created by Hitler's private secretary, and embedded into a piece of sheet music.

Josh journeys to the Holy Land to investigate a biblical mystery - where was Jesus Christ actually born? Could it lead to a new understanding of Jesus' story?

Josh Gates dives into a mystery below South America's Lake Titicaca. Josh discovers ruins from the ancient Tiwanaku people hidden in the lake's depths.

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 tackles the maritime mystery of the Griffon, the first ship to be lost in the Great Lakes. Josh uses a state-of-the-art submersible in the search.

Josh Gates takes on Central America's jungles to investigate the crystal skull discovered by an adventurer who was the inspiration for Indiana Jones.

Josh explores the case of World War II hero Gertrude Tommy' Tompkins of the Women Air Force Service Pilots, who went missing when her P-51 Mustang crashed.'

Josh searches a precious statuette that has been lost for 25 years, the Golden Owl. A book of riddles gives cryptic clues to where it might be hidden.