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 Gates searches land and sea for the lost fortune of legendary pirate Sir Francis Drake. Joining treasure hunters and maritime archaeologists, Josh hunts for a lost cache of Spanish gold and the remains of Drake himself.

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".

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.

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."

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.

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.

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.