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.

Tracking America's most infamous couple, Josh teams up with a former FBI agent to scour a legendary Bonnie and Clyde hideout. Then Josh hits the road on a 700-mile trip through the heartland to the site of the outlaw duo's most notorious shootout.

Josh investigates America's daring response to Pearl Harbor, which destroyed a vital Japanese base in the South Pacific. Using brand-new intel, Josh dives in with Project Recover to find 40 planes and 200 American heroes lost in Operation Hailstone.

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

The search for Alexander's remains and fortune extends to four countries.

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 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.

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.

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.

Trekking deep into Mexico's narco-controlled jungles, Josh hunts for the last Mayan stronghold to ward off the Spanish conquistadors; he joins an expedition braving snakes, spiders and jaguars to uncover the legendary Sac Balam.

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

Josh searches for wreckage of a bomber that helped defeat the Nazis.

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 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 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.

With word of an urgent lead, Josh jets to Poland to join in the opening of a secret Nazi tunnel system dug into a dormant volcano. Josh helps a local team tear away a stone wall built by the Germans in the last days of World War II.

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 dives the waters off Tanzania to find a lost city and its riches.

While investigating the fall of the remarkable Mayan Empire, Josh unearths human skulls and ancient Mayan sacrificial altars in the caverns underneath the jungles and ruins of Mexico.

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

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 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.

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 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.