Josh travels throughout the United Kingdom and explores the ruins of King Arthur's administrative capital from the 5th century in an attempt to elucidate the mystery surrounding the man.

Josh travels to the middle of Mongolia, searching for the legendary lost tomb of Genghis Khan. His journey is met with severe weather and opposition from the locals.

Josh scours the ocean floor near the Cayman Islands and off the coast of North Carolina in an attempt to discover the long-lost treasure of pirate Blackbeard.

Josh explores Eastern Europe to understand the origins and modern legacy of the vampire legend; Josh's investigation leads him to a Romanian cemetery, where he is confronted by angry locals.

Josh heads to the English countryside to discover the true events behind the legend of Robin Hood. He heads to the underground passageways used by Robin to escape capture and visits a place rumoured to be the site of the his grave.

Josh embarks on a treasure hunt looking to locate a $2 million treasure. To have any hope, he must decode clues found in a cryptic poem, which leads him into the Rocky Mountains.