Model of Walls Unit of Texas State Penitentiary in Prison Museum. Huntsville, Texas, December 18, 2010
Huntsville Unit of Texas State Penitentiary "The Walls". Huntsville, Texas, October 31, 2009
Huntsville Unit of Texas State Penitentiary "The Walls" (established 1849) at morning. A clock above the main entrance to the prison is a symbol of time which serves as a reminder to those inside. Huntsville, Texas, December 18, 2008
Huntsville Unit of Texas State Penitentiary, "The Walls" prison. Huntsville, Texas, December 20, 2009