The Outlaw Trail Ended Here." Explore this 1872 prison that held "evil doers of all classes and kinds." The Prison was both a federal (1872-1890) and later state (1891-1903) penitentiary. During these years, 1,063 prisoners walked through the iron doors and occupied the cells. At the “Big House across the River” displays of prisoners, cells, and artifacts tell the stories of people from the Prison’s past. Listed on the National Register of Historic Places, the Wyoming Territorial Prison became a symbol of law and order during the turmoil of the wild west. Visit our website for more details and to review our summer and winter hours.

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