Expedition Unknown season 4 episode 4

Air Date: 2018-01-17

Duration: 48 min

Genre: Action   Adventure   Documentary   Reality

The Secret

Josh travels across the United States to find the treasures featured in the cryptic 1982 book "The Secret"; Josh meets with members of the book's cult following, who each think they are on the verge of locating one of the 10 remaining treasures.