San Francisco Cable Car Museum always free

This is free. When: Tue–Thu 10 a.m.–4 p.m.; Fri–Sun 10 a.m.–5 p.m.; closed Mon and major holidays. Where: 1201 Mason St., San Francisco, CA 94108.

San Francisco Cable Car Museum · Offer

Always-free museum at the cable car powerhouse showing historic cars, grip mechanisms and the working cable system. No ticket required.