Josh scours the Virginia backcountry in search of the legendary Thomas Beale treasure, which would be worth millions today. Since encrypted codes are hiding its whereabouts, Josh takes a detour to Philadelphia to uncover missing pieces of the puzzle.

Josh flies to Peru to investigate the giant geoglyphs drawn into earth by ancient Nazca tribes. By studying newly found lines and joining a Nazca psychedelic ritual, Josh uncovers the true meaning behind the mysterious tracings.