Expedition Unknown

Josh travels all over the US to find the treasures featured in The Secret, a 1980s book filled with devilishly difficult riddles and puzzles that have stumped treasure hunters for over three decades.

Josh travels to India in search of Dwarka, a mythical kingdom swallowed by the ocean. To find evidence that the golden city is real, he dives into the Arabian Sea and visits a dig site that could rewrite history.

Josh hunts for the treasure of Erwin Rommel, a Nazi general who plundered the wealth of North Africa as his tank corps fled the continent. The search brings Josh to never-explored underground lakes and undersea relics of WWII.

Josh goes on a quest to find the legendary lost treasure of King John. He explores the deadly marshlands of England to find the despised king's crown jewels, which were swept away in a freak tidal surge in the 13th century.

Josh follows in the footsteps of Indiana Jones as he searches in Israel and Ethiopia for the lost Ark of the Covenant, the sacred relic said to contain the Ten Commandments and possess extraordinary powers.

Josh journeys to the wilds of Namibia to embark on a treacherously deep dive into Lake Otjikoto for a long-lost World War I treasure.

Josh retraces the footsteps of 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 ventures to Australia's island state of Tasmania to investigate sightings of a supposedly extinct marsupial known as the Tasmanian Tiger.