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

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

This week in 2018, Johnny Cash's “At Folsom Prison” was inducted into the GRAMMY Hall Of Fame in recognition of its historical significance. What's your favorite song on the album? | 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