The Mansfield Prison may be one of the most haunted places in the United States or even the world. Constructed in 1834 the enormous castle like penitentiary held over five thousand prisoners in the 1950s.
The Mansfield Prison is open for Ghost Hunt and Ghost Walk packages, but with the extreme interest in the Mansfield Reformatory these do sell out. The prison is also open in October for a "Haunted Prison Experience".