And you might have visited the reformatory for its annual haunted house — Blood Prison — or Inkcarceration, a yearly music and tattoo festival held there. But the reformatory is so much more.

If you’re a big fan of haunted houses, horror and the occasional travel documentary or TV show, you’re probably already familiar with what Ohio State Reformatory’s Blood Prison has to offer.

Shinedown's Zach Myers and From Ashes to New's Mat Madiro are the guests in the season finale of Paranormal Prison. Killswitch Engage Scream Through the Haunted 'Blood Prison' Killswitch Engage ...