Behind the walls of Folsom State Prison lies the largest license plate factory in the U.S., where inmates turn out 45,000-50,000 plates a day. See how your license plates are made >> https://goo.gl/oZtrqR CACorrections CalPIA | KCRA 3

The legendary live version of "Folsom Prison Blues" - recorded at the very prison that inspired it - was released as a single on this day in 1968. It had always been a staple of Cash's live sets, as this 1971 performance in Denmark attests. Listen: https://JohnnyCash.lnk.to/FolsomPrisonBluesLiveFA!20190401 | Johnny Cash

On this day, "Folsom Prison Blues" debuted on the Billboard Hot 100, where it would spend 12 weeks on the charts. | Johnny Cash

Behind Folsom State Prison's granite walls, lies a rich history of the prison's storied past. It was almost built in Rocklin and initially served as an offshoot of San Quentin State Prison. Take a look at 11 things you may not know about the NorCal prison https://goo.gl/AU9DB9 Photos: Folsom Historical Society | KCRA 3