Summary: Josh Gates sets off for gold rush country to search for the lost fortune of a notorious Montana sheriff. During his investigation, Josh explores hidden cave systems and blows open a mine that's been sealed for over a century.

Summary: Josh Gates travels to Hungary to join three separate archeological teams looking for the lost tomb of Attila the Hun. Legends and ancient texts lead the search from the bottom of the Danube to the mountain forests just outside of Budapest.

Summary: Josh travels to Greece to explore Europe's first superpower and how it disappeared on the Mediterranean island of Crete.

Summary: Josh Gates joins leading archeologists as they investigate America's first missing-persons case, The Lost Colony of Roanoke. Following newly discovered clues, he'll reach new heights as he digs for answers to this over 400-year-old mystery.

Summary: One of the most iconic creatures of the Ice Age, the Woolly Mammoth, has gone extinct and Josh and a team search for enough DNA to clone a woolly mammoth.

Summary: Josh retrieves bone samples from the massive Batagay crater and gets DNA results to find out if the woolly mammoth will walk the earth again.

Summary: Josh Gates sets off on an expedition to crack the mystery behind the perpetrator of the only unsolved plane hijacking in U.S. history.

Summary: Josh Gates sets off deep into the Australian Outback, following the footsteps of legendary explorer Harold Lasseter, who claims to have found a vast field of gold.

Summary: Josh Gates ventures to Australia's island state of Tasmania to investigate sightings of the supposedly extinct Thylacine, also known as the Tasmanian Tiger.

Summary: Josh Gates retraces the footsteps of the legendary Captain Kidd in the hopes of finding his buried treasure; from the East Coast to the Caribbean, the search takes him to a real pirate shipwreck and to the island hideout of the notorious buccaneer.

Summary: Josh Gates journeys to the wilds of Namibia to embark on a treacherously deep dive in Lake Otjikoto for a long lost World War I treasure.

Summary: Josh Gates follows in the footsteps of Indiana Jones as he searches in Israel and Ethiopia for the lost Ark of the Covenant, the sacred relic said to contain the Ten Commandments and possess extraordinary powers.

Summary: Gates tries to find the lost treasure of King John. He explores the marshlands of England to find the king's crown jewels, which were swept away in a freak tidal surge in the 13th century.

Summary: Gates hunts for the hidden treasure of Erwin Rommel, a Nazi general who plundered the wealth of North Africa as his tank corps fled the continent. The search brings Gates to never-explored underground lakes and undersea relics of World War II.

Summary: To find the plundered riches of the Roman Empire, Gates looks for the tomb of the Visigoth king Alaric in Italy. The hunt extends from the capital of Rome to the southern city of Cosenza, where the mayor is spearheading an effort to find the tomb.

Summary: Gates travels to India in search of Dwarka, a mythical kingdom swallowed by the ocean. To find evidence that the golden city is real, Gates dives into the Arabian Sea and visits a dig site.

Summary: Gates travels down to the coast of Florida and to Cuba in search of a sunken treasure from a fleet of Spanish ships that were sunk in 1715; the hunt takes him deep into the Atlantic and the National Archives of Cuba.

Summary: Josh follows in the footsteps of Indiana Jones as he searches in Israel and Ethiopia for the lost Ark of the Covenant, the sacred relic said to contain the Ten Commandments and possess extraordinary powers.

Summary: Josh goes on a quest to find the legendary lost treasure of King John. He explores the deadly marshlands of England to find the despised king's crown jewels, which were swept away in a freak tidal surge in the 13th century.

Summary: Josh hunts for the treasure of Erwin Rommel, a Nazi general who plundered the wealth of North Africa as his tank corps fled the continent. The search brings Josh to never-explored underground lakes and undersea relics of WWII.

Summary: To find the plundered riches of the Roman Empire, Josh Gates must locate the tomb of the Visigoth king Alaric in Italy. The hunt extends from the capital of Rome to the southern city of Cosenza, where the mayor is spearheading an effort to find the tomb.

Summary: Josh Gates travels to India in search of Dwarka, a mythical kingdom swallowed by the ocean. To find find evidence that the golden city is real, Josh dives into the Arabian Sea and visits a dig site that could rewrite history.

Summary: Josh Gates travels the coast of Florida and to the newly opened country of Cuba in search of sunken treasure from a fleet of Spanish ships sunk in 1715. The hunt takes him deep into the Atlantic and into the previously sealed National Archives of Cuba.

Summary: Josh Gates treks north of the Arctic Circle to search for the DNA of the long-extinct woolly mammoth. The hunt takes him to a mile-wide sinkhole in the Siberian permafrost as well as a black market mining camp where tusk hunters dig for mammoth ivory.

Summary: From the Mayans of the Yucatan Peninsula to a civilization that disappeared so suddenly they have no name, Josh Gates travels to Texas to quiz contestants on empires that vanished from history for a chance to win cold, hard cash.

Summary: Josh Gates takes his quiz show to the Old West with trivia questions about historic treasures that have never been found - at least not yet. Josh has a cash prize for his clever contestants plus a big bonus for those playing along from home - never-before televised footage from his own treasure hunts.

Summary: Josh takes a break from his travels to show a few of his favorite people, places, experiences, and eats from his many expeditions. He also shares never-before-aired footage and his most meaningful moments between him and his crew.

Summary: Josh Gates reveals footage of six legends from around the world. Later, he finds pieces of evidence to determine if they are fact or fiction.

Summary: Josh Gates tries learning techniques and skills whilst filming his travels. Later, he shares his triumphs and blunders.

Summary: Expedition Unknown has gone on incredible adventures, but the revelations don't stop when the cameras turn off. Josh Gates revisits his most exciting discoveries and reveals new developments in this one-hour special.

Summary: Josh Gates treks north of the Arctic Circle to search for the DNA of the long-extinct woolly mammoth. The hunt takes him to a mile-wide sinkhole in the Siberian permafrost as well as a black market mining camp where tusk hunters dig for mammoth ivory.

Summary: From infamous kings to legendary thieves and notorious pirates, Josh Gates jumps over the pond to test British contestants on their own rich history for the chance to win $500.

Summary: Josh Gates travels across the USA, giving contestants a chance to win up to $500 as they test their knowledge about the country's greatest explorers and most notorious outlaws.

Summary: Josh Gates shares his favorite moments from season three that didn't make the final cut, including never-before-seen footage, expanded scenes and more.

Summary: Hours of footage are filmed for every episode of Expedition Unknown and some truly wild and zany moments end up on the cutting room floor. Now, Josh Gates compiles the best unseen footage, expanded scenes and never-before-televised moments from his season two adventures into one off-the-rails special.

Summary: Josh plays game show host as he presents highlights, expanded scenes and behind-the-scenes extras from his investigations into two Australian legends.

Summary: Josh takes a turn as a game show host in "Global Game Show - Without Borders." He quizzes fellow travelers as he explores the globe and shares behind-the-scenes extras from some of his most recent adventures.

Summary: Josh Gates plays his hilarious traveling trivia game in Greece. This special episode features behind the scenes extras, expanded scenes and highlights from his investigation into the lost civilization of the Minoans.

Summary: Josh Gates counts down his top ten most exhilarating investigations, including interviews with crew members and behind-the-scenes moments from the most thrilling, most frightening and most fun exploits during season three of Expedition Unknown.

Summary: Every episode of Expedition Unknown is a quest for discovery, an opportunity for extraordinary adventures and maybe, just maybe, a chance to find a fortune. In this one-hour special, Josh Gates counts down his 10 greatest treasure hunts and shares expanded scenes from his wildest expeditions.

Summary: After three seasons of traveling the globe in pursuit of excitement and discovery, Josh Gates counts down his top 10 greatest adventures, and misadventures. He also shares a rare glimpse behind the scenes and never-before-seen moments.

Summary: Josh Gates shares his favorite moments from season three that didn't make the final cut, including never-before-seen footage, expanded scenes and more.

Summary: Josh Gates travels across the USA, giving contestants a chance to win up to $500 as they test their knowledge about the country's greatest explorers and most notorious outlaws.

Summary: From infamous kings to legendary thieves and notorious pirates, Josh Gates jumps over the pond to test British contestants on their own rich history for the chance to win $500.