The Mansfield Reformatory is the largest castle-like structure in Ohio, and in the top 5 largest in the USA. Comprising 250,000+ square feet, and combining three architectural styles: Victorian Gothic, Richardsonian Romanesque, and Queen Anne. Built in 1886, the Ohio State Reformatory was designed to humanely rehabilitate first-time offenders, and was initially applauded as a positive step toward prison reform.
The Mansfield Reformatory Preservation Society is currently working to restore the facility to its original state.complete restoration of the Warden's quarters, as well as the complete restoration of the central guard room between the East and West Cell Blocks.