The Ohio State Reformatory is a historic prison located in Mansfield, Ohio. Built in 1886, it was designed to reform young offenders rather than simply punish them. The facility operated until 1990 and is known for its distinctive Romanesque architecture and large, imposing structure. Today, the reformatory is a popular tourist attraction and is often featured in films and television shows, including the movie The Shawshank Redemption. Visitors can explore the building, learn about its history, and understand the challenges of the prison system in the United States.