Expedition Unknown

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 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."

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 goes down under to search along Australia's infamous Shipwreck Coast for the missing Mahogany Ship. Confirming the vessel's existence could rewrite Australia's history.

In the second installment of a two-part investigation, Josh continues his journey through Egypt to uncover the secrets, and possibly the final resting place, of ancient history's most powerful women -- Nefertiti and Cleopatra.

In this first installment of an epic two-part episode, Josh journeys through the land of the Nile to uncover the secrets of the most powerful, and most elusive, women in ancient Egypt -- Hatshepsut, Nefertiti and Cleopatra.

Josh attempts to uncover a treasure left behind by the Aquarian Foundation, an isolated, insidious cult led by the notorious leader known as Brother XII.

Josh ventures to Argentina, where many Nazi SS officers escaped to after World War II. He uncovers secret Nazi hideouts and investigates what may be the most shocking conspiracy theory of all -- Hitler's "true" fate.

Josh travels through the jungles of Ecuador to explore the watery depths of Tayos Cave for a legendary set of metal plates believed to be created by an advanced ancient civilization.