The Real Playboy Club: Former Bunnies Remember The Original Chicago Hangout (PHOTOS)

The sexual revolution was conceived, in part, along a ten-block stretch on Chicago's Near North Side. The self-proclaimed father of the rebellion was Hugh M. Hefner, a Steinmetz High School grad who left a languishing career as an advertising copywriter to start what would become the world's most famous girlie magazine.

The foundation of Hefner's movement was Playboy magazine, founded in 1953 and moved into the old Palmolive Building at 919 North Michigan Avenue in 1967.