Josh Gates investigates the most mysterious airline disaster in American history -- searching for why Northwest Flight 2501 vanished, taking the lives of all 58 people on board.

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 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?

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.

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 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 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?