True story: in the heart of the CIA headquarters at Langley, Virginia, there's a puzzle no one has solved. In the second part of this special two-part episode, Ben, Noel and Max join up with returning guest A.J. Jacobs to learn more about the enigmatic sculpture known as Kryptos.

Badass of the Week Returns, Part One: George Rogers Clark
1:02:14

CLASSIC: That Time Ohio and Michigan Almost Went To War
34:36

The Ridiculously Inspiring Story of Free Public Restrooms, Part Two: The Rise of CEPTIA
33:15