Expedition Unknown

Josh traverses England, Wales and Scotland, wading through history and legend to search for evidence of a real King Arthur. In Wales, Josh has a close call rappelling into the hundreds of miles of underground caves.

Josh journeys into the heart of Mongolia in search of the fabled lost tomb of Genghis Khan. After encountering harsh weather and resistance from locals, can Josh enter Mongolia's `Forbidden Zone' to locate the burial grounds?

Josh explores the ocean floor of the Cayman Islands and the coasts of North Carolina in his quest to find the lost treasure of the legendary pirate Blackbeard.

Josh journeys across England uncovering the true stories behind the legendary Robin Hood. Josh explores underground tunnels that Robin used to escape confinement and he finds what appears to be Robin's final resting place.

Josh joins a treasure hunt searching for a two-million-dollar treasure. He attempts to decode the clues of the treasure's location by following a cryptic poem, leading him deep into the harsh Rocky Mountains.

Josh travels to Japan's remote Yonaguni Island to explore an underwater phenomenon described as Japan's Atlantis. Josh dives into the waters of the Pacific Rim to explore this remarkable site.