Model of Walls Unit of Texas State Penitentiary in Prison Museum. Huntsville, Texas, December 18, 2010
Walls Unit of prison system, Main Building. Huntsville, Texas, March 23, 2008
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
Memorial plaque of Texas Historical Commission in front of 32 feet high and 2-3 feet thick brick security wall (1942) surrounding Walls Unit of TDCJ prison system. Huntsville, Texas, June 29, 2008
Model of Walls Unit in Prison Museum, with Main Building in the center, Infirmary to the left and Dining to the right. Huntsville, Texas, February 23, 2008
"Merry Christmas to All" decoration on the 32 feet tall brick security wall surrounding "The Walls" prison (Huntsville TDCJ Unit), with a memorial historical plaque in foreground. Huntsville, Texas, December 18, 2008
Memorial plaque of Texas Historical Commission in front of Walls Unit of TDCJ prison system. Huntsville, Texas, December 29, 2011
Walls Unit of prison system, main entrance. Huntsville, Texas, June 29, 2008
Huntsville Unit of Texas State Penitentiary, "The Walls" prison. Huntsville, Texas, December 20, 2009
Old Administration Building of Walls Unit Prison. Huntsville, Texas, March 23, 2008
Old Administration Building of Walls Unit Prison. Huntsville, Texas, December 29, 2011
