Wyoming Territorial Prison State Historic Site opens to visitors on April 28 it will also be FREE on the 28th, with the Grand Opening celebration of the new "Science on the Range" exhibit. Summer hours will be 8 a.m. to 7 p.m., every day.



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Built in 1872 the Wyoming Territorial Prison was restored and renovated in the 1990s by the efforts of the citizens of Laramie. There were 12 women housed here and more than 1,000 men, the most famous of which was Robert LeRoy Parker “Butch Cassidy”. Opening Hours between April 28  through November 1  (including holidays): Everyday, 8 AM to 7 PM. Admission Fees; Adults $5.00, Teenagers $2.50, Children 11 & under are free.