Baxter Springs Heritage Center, 740 East Ave, Baxter Springs, KS 66713. Phone: 620-856-2066. Local history museum open Monday through Saturday, 10:00 AM to 4:30 PM, and on Sunday from 1:00 PM to 4:30 PM. It includes a visitor center housed in a 1930's Phillips Petroleum gas station. Lots of Route 66 information!