Josh dives the Ivory Coast in search of 18 US servicewomen lost in WWII.

Josh dives the frigid waters of the Baltic Sea in search of a revolutionary Nazi submarine: the V-80. Hitler ordered it scuttled to prevent the Allies from learning its secrets. Now, Josh risks it all to bring the prototype to the surface.

Josh Gates cuts another expedition short to return to his hometown of Boston and pursue the strongest lead in decades for a 40 year old treasure hunt dubbed: The Secret. Following the amazing solve of a Boston puzzle maker could lead him to the very prize he has sought himself for years.

Josh Gates' Global Game Show goes all over the planet but this time he's going out of this world by giving his contestants the opportunity to win big on the topic of extraterrestrials. Players at home can win a big prize too, plus a bonus look at footage that never aired in the original Expedition Unknown episodes.

Josh dives deep into the Navy's heroic Pearl Harbor counterattack, uncovering an eyewitness who shares vivid details of American soldiers' executions. New intel leads to a discovery that changes history -- the first US plane ever found from this battle.

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.

Josh braves the South Carolina swamps to search for the lost treasure of the infamous Anne Bonny. The Pirate Queen used her wits, beauty and daring to steal millions in booty; and while recovering coins, Josh may have unearthed Anne's secret trading post.

Josh Gates continues his journey through Egypt to unearth the secrets and possibly the final resting places of Nefertiti and Cleopatra.

To solve the mystery of the pyramid's construction, Josh joins a daring experiment to replicate its ancient build; first-of-their-kind 3D scans of a mysterious tunnel system could uncover a labyrinth of secrets buried deep beneath the stone.

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.

Josh searches for a top-secret WWII seaplane that crashed into the Pacific. Now, 70 years later, Josh joins a team scouring the ocean floor hundreds of feet below to find a lost aviation treasure -- the only XP5Y-1 still in existence.

The conclusion to Josh Gates' dive into a Kush king's flooded pyramid tomb; Josh scales a mountain to learn how the Kingdom of Kush conquered Egypt and braves the murky waters for one more dive to find the king's mummified remains.

Josh braves the shark-infested waters off Cape Cod to dive the world's only confirmed pirate wreck. Joining a high-tech recovery mission, Josh chases the multi-million-dollar treasure of Black Sam Bellamy, including coins, gold and jewels.

Hot on the trail of a massive stolen fortune, Josh chases the treasure of the infamous Spanish pirate Amaro Pargo. An exhaustive hunt of Pargo's stomping grounds in the Canary Islands leads Josh beneath an active volcano to dive for the pirate's hoard.

On the trail of the secretive Knights Templar, Josh chases the legendary warriors' lost fortune including the coveted Holy Grail. In England, Josh digs in to find a Templar buried tunnel. Then, he travels to Poland to excavate a rare Templar gravesite.

Archaeologist Dr. Richard Hansen joins Josh and his team to venture deep into the Guatemalan rainforest to find the hidden tombs of the mysterious Snake Kings in the ancient Mayan city of El Mirador.

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.

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.

Josh investigates rumors swirling around a Turkish dig site that is 6,000 years older than Stonehenge. Separating fact from fiction, they uncover evidence of tribal skull rituals, debunking the legend of an alien-constructed observatory.

Pushing into remote jungles, Josh investigates one of the 20th century's biggest heists - looting of Cambodian statues worth hundreds of millions; Josh rappels into a crumbling pyramid and digs up a treasure trove of missing monuments.

With unprecedented access, Josh digs in front of Petra's treasury; searching for clues to the mysterious civilization that created one of the new Seven Wonders of the World, Josh rappels a seven-story cliff face to perform a high-tech scan.

In a search spanning continents, Josh chases the true history of St. Nicholas, the real-life saint who has become known as Santa Claus. Following clues from Turkey to Italy, Josh gathers DNA to try to identify the saint's missing remains.

Josh journeys through the land of the Nile to uncover the buried secrets of three of the most powerful and elusive women in ancient Egypt -- Hatshepsut, Nefertiti and Cleopatra.

Josh travels across the United States to find the treasures featured in the cryptic 1982 book "The Secret"; Josh meets with members of the book's cult following, who each think they are on the verge of locating one of the 10 remaining treasures.

Searching a city of the dead, Josh unearths artifacts from the mysterious Etruscans who ruled central Italy before being conquered by the Roman Empire. A dig site unearths clues that reveal the Etruscans may have inspired Rome's greatest achievements.

Investigating the mysterious collapse of Egypt's old kingdom, Josh completes his Saqqara necropolis dig. Opening several tombs, Josh finds treasure, clues and haunting remains. Testing results may prove they’ve discovered Egypt’s oldest royal mummy.

With breakthrough discoveries in Egypt, Josh races to join an active dig of 4000-year-old tombs. Josh gains exclusive access and uncovers mummies and treasure that could solve the mysterious collapse of ancient Egypt's Old Kingdom.

Josh Gates touches down in Normandy to investigate battles on land, air, and sea. The expedition reveals a Nazi threat greater than ever imagined, unearthing a massive German bunker complex buried for 75 years.

Josh Gates heads to an active dig site in Egypt, where he joins famous archaeologist Dr. Zahi Hawass on the cusp of an incredible discovery: the mummy of an ancient High Priest.

Josh Gates travels to the Holy Land to unearth the mystery of the Dead Sea Scrolls with an archaeologist who has discovered new ones; Josh sees cutting-edge technology restore scroll fragments in a way that could change how people read the Bible.

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 hunts history's greatest treasure, the tomb of Alexander the Great.

Josh chases the treasure of legendary Viking Harald "Bluetooth" Gormsson. The discovery of a mysterious gold artifact sends Josh on a journey through Scandinavia and into remote northern European forests to uncover Bluetooth's tomb and fortune.

Josh Gates joins the hunt for for a $2,000,000 treasure. He attempts to decode the clues of the modern day treasure's location by following a cryptic poem, leading him deep into the harsh Rocky Mountains.

Four years after Josh Gates went on a journey to find the lost heart of Sultan Suleiman the Magnificent, he travels to the newly rediscovered town of Turbek for some shocking new revelations about the case.

From Denmark and Iceland to the United States and Canada, Josh Gates treads into Viking territory in an effort to unlock answers to their most enduring secrets, including how they attained and sustained their power and how far they really traveled.

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.

The hunt for El Dorado is Josh's most grueling journey ever and one of the crew tumbles into a raging river. When cutting-edge aerial scans reveal a lost city, they push into the jungle to uncover El Dorado and the gold that comes with it.

With exclusive access to one of the Seven Wonders of the Ancient World, Josh unravels wild conspiracy theories about the pyramid. Crawling through every passage under the pyramid, Josh searches for the lost tomb and treasure of Pharaoh Khufu.

Josh Gates travels to the deserts of Sudan to dive the flooded pyramid tomb of a king. The murky water provides zero visibility, and the pyramid is at risk of collapse -- but the dive could unlock the mystery of a civilization that once conquered Egypt.

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 traces the Vikings' westward expansion from the volcanic landscape of Iceland to a mysterious settlement in Greenland; he aims to find out if the Vikings landed in the United States more than 500 years before any other Europeans.

Josh searches for the missing mystical Honjo sword in Japan in ancient shrines hidden in the mountains and underground tunnels.

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 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 ventures to Argentina, where many Nazi SS officers escaped to after World War II.

With brand-new evidence Josh looks to finally crack the DB Cooper case, America's only unsolved skyjacking. A deathbed confession and cutting-edge forensics have Josh hot on the trail of the $200,000 ransom that's never been recovered.

Rewriting history, Josh helps discover a tomb at Petra's iconic Treasury; the twelve skeletons inside may belong to a royal family of Petra; state-of-the-art tech could finally decipher the charred fragments of ancient scrolls.

They say you only live once, but can we return from the abyss? In the Amazon, Josh meets a shaman who takes him on a trip to the brink of the afterlife. Then a team of investigators guide him into one of the most haunted places on Earth.

From ancient tombs to the latest bio-technology, humans have always been obsessed with cheating death. Josh visits a tribe in Indonesia where people live with mummies and a Russian cryonics lab at the cutting edge of freezing humans for the future.

Seeking evidence of the afterlife, Josh Gates enters an ancient Roman "Gate to Hell" that still claims victims. A medical doctor demonstrates how consciousness survives death, and a gifted medium shocks Josh with a message from beyond the grave.

Live from the middle of the Egyptian desert, inside a great underground tomb complex, a sealed sarcophagus may contain the identity of a mummy who has remained a mystery for 3000 years.

To crack the code of reincarnation, Josh seeks out expert Dr. Deepak Chopra, who advises him to investigate the phenomenon firsthand in India. He explores an Islamic path to paradise in Turkey and faces a man possessed by an evil spirit.

Josh joins the hunt for John Dillinger's fortune that's never been found.

Josh is on the trail of Russia’s missing Amber Panels, priceless pieces of art stolen by the Nazis during WWII. After starting in St. Petersburg, Russia, and getting exposed to the local culture, Josh makes a brief pit stop in Berlin to marvel at the city’s amazing turnaround since the end of the Cold War.

With a potential new breakthrough in the search for a Snake King tomb, Josh Gates returns to the jungles of Guatemala and the archaeological dig at the ancient Mayan city of El Mirador; the archeologists attempt to pinpoint the tomb's location.

Josh Gates takes on the Indian Ocean's punishing waters as he chases the lost treasure of Olivier Levasseur, AKA "The Buzzard," rumored to be worth more than a billion dollars.

Gates searches for the True Cross. This relic, said to have mystical healing powers, has been lost for 2,000 years. Gates visits Jerusalem, Israel and Istanbul, Turkey, to find if the cross or fragments of it still exist. The cross was cut into three pieces on the orders of Empress Helena. He examines this legend at the Church of the Holy Sepulchre in the Old City where the tomb of Jesus is located and where he was crucified. Then he learns more about crucifixion in Tel Aviv, and discovers ancient cross wall carvings at the Church of the Nativity in Bethlehem.

Josh Gates dives into the mysteries of the Bermuda Triangle. His investigation leads him to the ocean floor, the skies above and even the edge of space as he tackles some of the most intriguing disappearances in history.

In the 2-hour season premiere of Expedition Unknown, adventurer Josh Gates hunts down new evidence on the disappearance of Amelia Earhart. He treks to uncharted tribal lands in Papua New Guinea and ends his journey in Fiji, hoping to uncover the pilot’s remains.

Josh tries putting the legend of Jesse James' missing gold to rest, as he searches the American Midwest, searching for the treasure.

In the conclusion of his epic investigation, Josh Gates uses cutting-edge technology to investigate the Triangle's most infamous shipwreck and lost flights. Will he find answers to just how the Triangle works or will it forever remain a mystery?

Gates goes to the ruins of Yonaguni Island, the westernmost Japanese island on the East China Sea, to determine whether the undersea structures are geologic or man-made. The Yonaguni Monument discoverer, Kihachiro Aratake, dives with Josh, showing him the undersea area with cut steps leading up to a level platform. Josh takes a rock sample for geologic analysis. In Osaka, archaeologist Michio Maezano shows Josh an ancient rock tomb. It proves that ancient people could have carved the Yonaguni structures, then an earthquake could have sunk them.

Josh digs deep into the swamp to hunt the lost fortune of notorious bootleggers and bank robbers the Ashley Gang; Josh needs to retrace the outlaw family's criminal empire, which included a blood feud with the local Florida sheriff.

Josh Gates treks deep into Colombia's deadly jungle to unravel the El Dorado myth and retrace the steps of Spanish conquistadors. Josh meets with the tribe who inspired the legend of a city of gold and unearths their treasure in a surprising location.

In this expansive, two-part investigation, Josh Gates travels the globe attempting to solve the most fundamental mystery of all -- humanity's origins. How did we survive to the modern day? And what does that mean for our future?

Josh travels to the remote and land-mine-riddled jungles of Cambodia to investigate the lost city of the Khmer Empire and search for a mystical relic that gave its god king the power to incinerate his enemies more than 1,000 years ago.

Plunging hundreds of feet below ground, Josh explores Spain's treacherous La Garma cave system and finds a floor littered with human remains more than 1,000 years old; Josh's deep dive is a quest for scientific proof of Spain's legendary King Pelayo.

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.

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 travels the English countryside on a mission to learn if Robin Hood was a real man and if he's the hero from the legends or a murderous outlaw. He dives into 800 years of ballads and stories at London's British Library, explores tunnels and caves beneath Nottingham, and joins historians in search of Hood's grave, first in Kirklees Priory, Yorkshire, and lastly at a churchyard in Loxley, where researchers believe an outlaw named Roger Godberd who was the real Robin Hood is buried.

Josh joins archaeologists in Panama as they search for the Satisfaction, the sunken flagship of legendary pirate Captain Henry Morgan. But first he must understand the man behind the rum who attacked Panama City looking for treasure. He also searches one of many shipwrecks near Fort San Lorenzo at the reef, where Morgan's ship ran aground.

In the Season 2 premiere, Josh scours the United Kingdom to find the real-life King Arthur.

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 Gates hunts for Third Reich secrets as he searches for stolen art in a flooded tunnel complex, tries to decode an officer's diary pointing to tons of plundered Nazi gold and visits the ruins of a city burned to ashes in the final days of WWII.

Josh scours the Virginia backcountry in search of the legendary Thomas Beale treasure, which would be worth millions today. Since encrypted codes are hiding its whereabouts, Josh takes a detour to Philadelphia to uncover missing pieces of the puzzle.

In Puerto Rico, Josh Gates explores caves and treks through dense jungles in search of the chupacabra; working with a wildlife biologist, a veterinarian and an investigator, Josh explores a recent wave of attacks to separate fact from fiction.

Josh treks the punishing Donner Pass to uncover how desperate pioneers trapped by blizzards in the Sierra Nevada mountains turned to cannibalism. In an unprecedented six-month investigation, Josh retraces the steps of the courageous rescue teams.

Gates searches for Yamashita's Gold, millions of dollars in Southeast Asian gold and jewels that was looted by Japan and covertly transported to the Philippines under the direction of Japanese general Tomoyuki Yamashita during World War II. The fortune was hidden by gangsters, military generals, and a secret organization in tunnels and caves somewhere in the conquered country. But the treasure was lost when the Allies won the war, until a treasure hunter found part of it in 1970 and has been searching for it ever since.

In the epic conclusion of his two-part investigation, Josh Gates re-traces Moses' steps from the peak of Mount Sinai deep into the Israeli desert. To separate man from myth, Josh dives the Sea of Galilee and investigates what is said to be Moses' tomb.

Josh travels to Peru to investigate the giant geoglyphs drawn into the earth by the ancient Nazca tribes and while studying newly found lines joining a Nazca psychadelic ritual, Josh discovers the meaning behind the mysterious tracings.

Josh dives into a mysterious Greek sea passage known as the ancient world's shipwreck capital. Chasing truth and treasure, Josh separates fact from myth and learns what makes these waters as deadly as the Bermuda Triangle.

Searching across England, Josh Gates unearths a cache of ancient treasure as he chases the legend of Queen Boudica, the legendary Celtic queen who nearly defeated the invading Roman army 2,000 years ago.

Gates travels to South Africa to search for the missing Kruger Millions, the gold coins of the country's entire financial reserve. The treasure vanished overnight after South African President Paul Kruger loaded the hoard on a train and it vanished overnight in 1900 during the Boer War.

In Bucks County, Pennsylvania, Josh hunts riches stolen by British loyalists, the Doan Gang, during the American Revolution.

Armed with a new eyewitness account and cutting-edge tech, Josh travels to Micronesia and dives the Pacific to find a lost P-47 Thunderbolt. Piloted by an American hero, it took part in a daring raid during the final days of World War II.

Gates hunts for the Heart of Suleiman the Magnificent, ruler of the Ottoman Empire in the 16th century. When Suleiman died in 1566 during a battle in Hungary, his body was brought back to Istanbul, but not before a ritual was performed involving the removal of his heart being placed in a gold container and buried beneath his tent. The Sultan's followers believed his heart has magical powers and continues to beat, waiting to be returned to its host. The town of Tubek was built over the burial site to honor the Sultan.

Josh Gates travels to Africa to get up close and personal with a distant relative and scale dangerous cliffs all to answer one question: Where did humans come from?

Josh embarks on a journey around the world to uncover mysteries about Christopher Columbus. First, Josh looks for Columbus' legendary ship, the Santa Maria, and later ventures to find the real remains of the explorer.

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

Josh explores the ocean floor of the Cayman Islands and the coasts of North Carolina in his quest to find the lost treasure of the legendary pirate Blackbeard.

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

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 journeys into the heart of Mongolia in search of the fabled lost tomb of Genghis Khan.

Josh immerses himself in Wild West lore on a quest to find Butch Cassidy's missing money; he traces the iconic outlaw's footsteps through Colorado, Utah and Nevada, eventually learning he may have to find the man himself to locate the lost loot.