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.

The episode was rated 7.60 from 10 votes.

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."

The episode was rated 7.73 from 51 votes.

Josh Gates explores the case of lost World War II hero Gertrude "Tommy" Tompkins of the Women Air Force Service Pilots, who went missing when her P-51 Mustang crashed. Josh joins search teams using cutting-edge technology to bring the lost hero home.

The episode was rated 7.94 from 63 votes.

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".

The episode was rated 7.97 from 117 votes.

Josh Gates journeys to the Holy Land to find out where Jesus was born; his investigation leads to potentially explosive revelations that may change people's understanding of Jesus' origin story.

The episode was rated 7.98 from 115 votes.

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 episode was rated 7.99 from 112 votes.

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.

The episode was rated 8.11 from 55 votes.

Josh Gates enters 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.

The episode was rated 8.11 from 81 votes.

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.

The episode was rated 8.22 from 114 votes.

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.

The episode was rated 8.40 from 10 votes.