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 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.

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

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

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 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.

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

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

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

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.

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.

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 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 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 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 Gates concludes his in-depth investigation of the Dyatlov Pass incident; taking on Dead Mountain's brutal conditions, Josh and two investigators retrace the last steps of the hikers; a big discovery could finally solve the mystery.

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.