Oklahoma State Penitentiary

The Oklahoma State Penitentiary, nicknamed "Big Mac", is a prison of the Oklahoma Department of Corrections located in McAlester, Oklahoma, on 1,556 acres (6.30 km2). Opened in 1908 with 50 inmates in makeshift facilities, today the prison holds more than 750 male offenders, the vast majority of which are maximum-security inmates. They also hold many death row prisoners.