 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
 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
 Christmas decoration on tall brick security walls of Huntsville prison "The Walls". Huntsville, Texas, December 20, 2009
 Walls Unit prison. Huntsville, Texas, December 29, 2011
 "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
 Old Administration Building of Walls Unit Prison. Huntsville, Texas, December 29, 2011
 Walls Unit prison. Huntsville, Texas, February 23, 2008
 Memorial plaque of Texas Historical Commission in front of Walls Unit of TDCJ prison system. Huntsville, Texas, December 29, 2011
 Old Administration Building of Walls Unit Prison. Huntsville, Texas, March 23, 2008
 Walls Unit of prison system, Main Building. Huntsville, Texas, March 23, 2008
 Walls Unit of prison system, main entrance. 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
 Exterior of Prison Museum styled as a prison. Huntsville, Texas, December 18, 2010
 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
 Texas Prison Rodeo exhibit in Prison Museum. Huntsville, Texas, December 18, 2010
 Model of old prison rodeo arena in Prison Museum. Huntsville, Texas, February 23, 2008
 Death row exhibit in Prison Museum. Huntsville, Texas, December 18, 2010
 Used electric chair in Prison Museum. Huntsville, Texas, December 18, 2010
 Recreation exhibit in Prison Museum. Huntsville, Texas, December 18, 2010
 Inmate crafts exhibit in Prison Museum. Huntsville, Texas, December 18, 2010
 Inmate crafts items in Prison Museum. Huntsville, Texas, December 18, 2010
 Old Sparky electric chair in Prison Museum. Huntsville, Texas, December 18, 2010
 Inmate money printed by Texas Prison System in Prison Museum. Huntsville, Texas, February 23, 2008
 Lake Raven in fog in Huntsville State Park. Texas, December 20, 2009
 Lake Raven in Huntsville State Park. Texas, December 20, 2009
 Lake Raven in mist in Huntsville State Park. Texas, December 20, 2009
 Boat ramp in Lake Raven in Huntsville State Park. Texas, December 20, 2009
 Boardwalk of Chinquapin Trail through Alligator Branch of Lake Raven in Huntsville State Park. Texas, December 20, 2009
 Makeshift weapons in Prison Museum. Huntsville, Texas, February 23, 2008
 Death penalty protests on exhibit in Prison Museum. Huntsville, Texas, February 23, 2008
 TDCJ Captain Joe Byrd (Peckerwood Hill) Prison Cemetery. Huntsville, Texas, February 21, 2008
 Pine trees along park road in Huntsville State Park. Texas, December 20, 2009
 Syringe used to administer sodium thiopental to sedate inmates during first stage of lethal injection in Prison Museum. Huntsville, Texas, February 23, 2008
 Paper items with handles made by prisoners from Christian counseling literature and used as dumbbells in Prison Museum. Huntsville, Texas, February 23, 2008
 Old Sparky electric chair used for capital punishment of several hundred death row inmates in 1924-1964 in Prison Museum. Huntsville, Texas, February 23, 2008
 Hairy green caterpillar in Huntsville State Park. Huntsville, Texas, April 22, 2012
 Town Theater at 1023 12th Street. Huntsville, Texas, December 20, 2009
 Caterpillar in Huntsville State Park on Chinquapin Trail. Texas, October 31, 2009
 Tachinid parasitic fly (Archytas) on Chinquapin Trail near a dam in Huntsville State Park. Texas, October 10, 2009
 Orange berries of greenbrier (smilax) in Huntsville State Park on Chinquapin Trail. Texas, October 31, 2009
 Earthstar mushroom (Geastrum triplex) on Chinquapin Trail in Huntsville State Park. Texas, October 10, 2009
 Close up of gulf fritillary butterfly on a dam on Chinquapin Trail in Huntsville State Park. Texas, October 10, 2009
 Cardinal flower (Lobelia cardinalis) in Huntsville State Park on Chinquapin Trail. Texas, October 10, 2009
 Fly agaric mushroom (Amanita muscaria) in Huntsville State Park on Chinquapin Trail. Texas, October 31, 2009
 Gulf fritillary butterfly on woolly croton on a dam on Chinquapin Trail in Huntsville State Park. Texas, October 10, 2009
 Ripening fruits of dogwood (Cornus florida) on Chinquapin Trail in Huntsville State Park. Texas, October 10, 2009
 Bright red fruits of dogwood (Cornus florida) on Chinquapin Trail in Huntsville State Park. Texas, October 10, 2009
 A hiker (D. Y.) near Alligator Branch of Lake Raven on Chinquapin Trail in Huntsville State Park. Texas, October 10, 2009
 Jelly fungus (Tremella fuciformis) mushrooms on a log on Chinquapin Trail near a dam in Huntsville State Park. Texas, October 10, 2009
 Stink bug nymph (Acrosternum hilare) on a backpack on Chinquapin Trail in Huntsville State Park. Texas, October 10, 2009
 Gulf fritillary caterpillar eating passion flower on a dam on Chinquapin Trail in Huntsville State Park. Texas, October 10, 2009
 Orange jelly fungus (Dacryopinax spathularia mushrooms) on a log on a dam on Chinquapin Trail in Huntsville State Park. Texas, October 10, 2009
 Lake Raven at morning in Huntsville State Park. Texas, December 18, 2020
 Lake Raven from southern end of PR 40 in Huntsville State Park. Texas, December 18, 2020
 Lake Raven near CCC Lodge in Huntsville State Park. Texas, December 18, 2020
 Entoloma(?) mushrooms on Chinquapin Trail in Huntsville State Park. Texas, December 15, 2018
 Camping site near Lake Raven in Huntsville State Park. Texas, December 18, 2020
 Dacryopinax spathularia mushrooms (jelly fungus) fruiting through cracks in the wood on Chinquapin Trail in Huntsville State Park. Texas, October 10, 2009
 Common rustgill mushrooms (Gymnopilus penetrans) in Huntsville State Park. Texas, December 18, 2020
 Polypore mushrooms Trichaptum sector on a fallen oak in Huntsville State Park. Texas, December 18, 2020
 Bracket polypore mushrooms on an elm(?) fallen in a wet place in Huntsville State Park. Texas, December 18, 2020
 Resupinate polypore mushroom on a dry standing oak tree in Huntsville State Park. Texas, December 18, 2020
 Bark rash lichen (Pyrenula cruenta) in Huntsville State Park. Texas, December 18, 2020
 Some foliose lichen on a smooth barke of maple(?) in Huntsville State Park. Texas, December 18, 2020
 Needle bonnet mushrooms (Mycena clavicularis) in Huntsville State Park. Texas, December 18, 2020
 Lake Raven from Prairie Branch Loop Trail in Huntsville State Park. Texas, December 18, 2020
 Rustgill mushrooms Gymnopilus penetrans on Chinquapin Trail in Huntsville State Park. Texas, December 15, 2018
 Close-up of mushrooms Mycena alcalina(?) on a rotting pine log in Huntsville State Park. Texas, December 18, 2020
 Texture of resupinate polypore mushroom on a dry standing oak tree in Huntsville State Park. Texas, December 18, 2020
 Cluster of mushrooms Mycena alcalina(?) on a mossy pine log in Huntsville State Park. Texas, December 18, 2020
 Close-up of resupinate polypore mushroom on a dry standing oak tree in Huntsville State Park. Texas, December 18, 2020
 Dissected mushrooms Hygrophorus subsordidus on Chinquapin Trail in Huntsville State Park. Texas, December 15, 2018
 Tiny green liverwort on smooth tree bark in Huntsville State Park. Texas, December 18, 2020
 Bonnet mushrooms Mycena clavicularis on Chinquapin Trail in Huntsville State Park. Texas, December 15, 2018
 Needle bonnet mushrooms (Mycena clavicularis) under pine trees in Huntsville State Park. Texas, December 18, 2020
 Common bonnet mushrooms (Mycena galericulata) on rotting oak wood in Huntsville State Park. Texas, December 18, 2020
 Yellowish Schizopora-like resupinate polypore mushroom on trumpet vine in Huntsville State Park. Texas, December 18, 2020
 Caps of polypore mushrooms Trichaptum byssogenum on a large fallen oak in Huntsville State Park. Texas, December 18, 2020
 speckled shield lichen (Punctelia)(?) on a smooth barke of maple(?) in Huntsville State Park. Texas, December 18, 2020
 Close-up of tiny green liverwort on smooth tree bark in Huntsville State Park. Texas, December 18, 2020
 Mushrooms Hygrophorus subsordidus in a pine forest on Chinquapin Trail in Huntsville State Park. Texas, December 15, 2018
 Some white slime mold (Myxomycetes) on a pine log on Chinquapin Trail in Huntsville State Park. Texas, December 15, 2018
 Southern clam shell mushroom (Fomes fasciatus) on a dry oak tree in Huntsville State Park. Texas, December 18, 2020
 Stereum complicatum mushrooms on a fallen oak branch on Chinquapin Trail in Huntsville State Park. Texas, December 15, 2018
 Stump fairy helmet mushrooms (Mycena alcalina) on Chinquapin Trail in Huntsville State Park. Texas, December 15, 2018
 Details of yellowish Schizopora-like resupinate polypore mushroom on trumpet vine in Huntsville State Park. Texas, December 18, 2020
 Rosy bonnet mushrooms (Mycena rosea) under pines on Chinquapin Trail in Huntsville State Park. Texas, December 15, 2018
 Underside of common bonnet mushrooms (Mycena galericulata) on rotting oak wood in Huntsville State Park. Texas, December 18, 2020
 Bonnet mushrooms Mycena clavicularis among pine needles on Chinquapin Trail in Huntsville State Park. Texas, December 15, 2018
 Pore surface of polypore mushrooms Trichaptum byssogenum on a large fallen oak in Huntsville State Park. Texas, December 18, 2020
 Caps of polypore mushrooms Trichaptum byssogenum on bark of a large fallen oak in Huntsville State Park. Texas, December 18, 2020
 Hairy cap surface of polypore mushrooms Trichaptum byssogenum on a large fallen oak in Huntsville State Park. Texas, December 18, 2020
 Close-up of caps of polypore mushrooms Trichaptum byssogenum on a large fallen oak in Huntsville State Park. Texas, December 18, 2020
 Cluster of common bonnet mushrooms (Mycena galericulata) on rotting oak wood in Huntsville State Park. Texas, December 18, 2020
 Close up of yellowleg bonnet mushrooms (Mycena epipterygia) on Chinquapin Trail in Huntsville State Park. Texas, December 15, 2018
 Underside of Stereum complicatum mushrooms on a fallen oak branch on Chinquapin Trail in Huntsville State Park. Texas, December 15, 2018
 Close up of Stereum complicatum mushrooms on a fallen oak branch on Chinquapin Trail in Huntsville State Park. Texas, December 15, 2018
 Close-up of yellowish Schizopora-like resupinate polypore mushroom on trumpet vine in Huntsville State Park. Texas, December 18, 2020
|