Expedition Unknown

Josh investigates how a group of Norse tribesman gained power in medieval Europe. His search for answers begins in their one-time home base of Denmark and continues on to the first place they expanded off the continent -- Iceland.

Josh traces the Vikings' westward expansion from the volcanic landscape of Iceland to a mysterious settlement in Greenland and into North America. He aims to find out if they landed in the United States before any other Europeans.

Josh travels to his ancestral home of Great Britain to explore the origins of the mystical monument of Stonehenge.

Josh travels all over the US to find the treasures featured in The Secret, a 1980s book filled with devilishly difficult riddles and puzzles that have stumped treasure hunters for over three decades.

Josh rides into the Wild West to hunt for Butch Cassidy's missing money. He traces the outlaw's footsteps through Colorado, Utah and Nevada, eventually learning that he may need to find the man himself to locate the lost loot.

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.

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.

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.

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 into the ancient Maya city of El Mirador in search of the lost tombs of a mysterious ruling dynasty called the Snake Kings.

Josh concludes his investigation into the mysterious Maya city of El Mirador, from the possible burial of the elusive Snake Kings to uncovering the secrets behind the fall of one of history's greatest ancient cities.

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 ventures to the American south to uncover the mystery of real-life buccaneer Jean Laffite and the location of his hidden treasure.

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.