Glendora Historical Society Museum 314 N Glendora Ave, Glendora, CA91741 Located in the heart of Glendora on Glendora Avenue, the museum is open 11am to 2pm on Saturday. Founded in 1947, the…More Glendora Historical Society aims to preserve the community's heritage. The society's membership costs $15 per year, or offers a lifetime membership at $150. The Society offers bi-monthly programs (Jan, March, May, July, September & November) usually at the Glendora Public Library, Bidwell Forum. See our website or Facebook Page for more details.