The museum is housed in the 1875 Quartermaster Victorian Infantry Barracks Building at Fort Douglas. The building was founded by California Volunteers in 1862 to protect the Overland Mail & Telegraph lines. Highlights include a 1,500-volume library of United States, Utah and Fort Douglas military history, a reading room, and two historic cemeteries. Permanent and changing exhibits include military uniforms dating from 1858 through Operation Desert Storm, as well as tanks and artillery pieces. Guided tours are available; admission is free to the public. Open Tuesday through Saturdays.