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...all in this episode of Global Game Show: Hidden Treasures!

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.

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.

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.

Josh Gates sets off for gold rush country to search for the lost fortune of a notorious Montana sheriff; hidden cave systems; a mine that's been sealed for over a century.

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.

Josh Gates revisits his search to find the legendary lost treasure of King John; exploring 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.

Josh Gates revisits his treks north of the Arctic Circle to search for the DNA of the long-extinct woolly mammoth; a mile-wide sinkhole in the Siberian permafrost; a black-market mining camp where tusk hunters dig for mammoth ivory.

Josh Gates revisits his quest for the lost Ark of the Covenant, the sacred relic said to contain the Ten Commandments and possess extraordinary powers.

Josh Gates revisits his dive into the Lajas Reef off Panama's coast in search of treasure chests on the sunken flagship of legendary pirate Captain Morgan.

Josh Gates revisits his hunt for the hidden treasure of Erwin Rommel, a Nazi general who plundered the wealth of North Africa as his tank corps fled the continent.

Josh Gates searches Mexico for clues behind the mysterious rise and disappearance of Teotihuacan, a powerful civilization that predated the Aztecs in Mesoamerica; the largest pyramid in the world.

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.

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.

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.

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

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.

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.

Lost wooden fragments of the True Cross of Jesus Christ.

Josh Gates journeys across England to uncover the true stories behind the legendary Robin Hood, including underground tunnels that Robin used to escape confinement and what appears to be Robin's final resting place.

Josh 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; never-explored underground lakes and undersea relics of World War II.

Josh Gates goes on a quest to find the legendary lost treasure of King John; exploring 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.

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.

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.

Josh 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.

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

Josh quizzes fellow travelers as he explores the globe, and anyone, anywhere could be his next contestant.

Josh Gates plays his humorous traveling trivia game in Greece; behind the scenes extras, expanded scenes and highlights from his investigation into the lost civilization of the Minoans.

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

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.

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

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.

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

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.

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.

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.

America's first missing-persons case, the Lost Colony of Roanoke, is investigated with newly discovered clues.

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

Josh 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.

Josh Gates heads to Montana, the Gold Rush territory to search for the missing fortune of notorious Old West sheriff, Henry Plummer.

Josh travels to Europe to reveal the last secrets of the Third Reich.

In an enhanced episode, Josh is on the trail from Russia to Germany in search of history's most expensive stolen object, The Amber Chamber. Retracing the steps of Nazi soldiers, Josh explores abandoned Nazi bunkers and a hazardous German mine.

In an enhanced episode, Josh journeys across the American Midwest in search of the legendary golden loot of Jesse James. Along the way, Josh debunks Jesse James myths, rappels off a cliff on Wichita Mt., and follows treasure hunters into Buzzards Roost.

In an enhanced episode, Josh travels to UK & Norway to unlock the secrets of the Viking Sunstone, a mystic crystal the Vikings used to conquer the seas. Before testing it, he explores a crypt in a Nordic church and descends 1000ft into a deserted mine.