How did the Rubik's Cube become a global phenomenon? Where exactly is Waldo? In part one of this series, legendary author and podcaster AJ Jacobs regales the gang with the wide world of Puzzlers, from early human history to the modern day.

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