The collection at the museum is an assortment of items from the 1800's through the 1900's. There are tools for the home and farm, furniture, household accessories, office equipment, documents, photographs, and all types of clothing. Many items have been contributed by local residents over the years and have a direct connection to the "Upper San Gabriel Valley" and its residents. The Rubel Castle…

The Mojave Desert Archives preserves the history of transcontinental travel to the Los Angeles region through the Mojave Desert of eastern California. Route 66, National Old Trails Road, the Mojave Wagon Road, the Santa Fe Railway (now BNSF), Union Pacific Railroad, and Interstate highways were and are major transit routes through the desert terminating in the Los Angeles basin.

Mount Saint Mary's University was founded by the Sisters of St. Joseph of Carondelet in 1925 as the first Catholic women's college west of the Mississippi. It comprises two historic sites, the Chalon Campus high above Brentwood (1930), and the Doheny Campus, which occupies the former estate of Edward and Estelle Doheny, including the Doheny Mansion at 8 Chester Place (1899).