Museum of Transportation. Houses "..one of the largest and best collections of transportation vehicles in the world," according to the Smithsonian Institution. Includes some historic subway trains from Chicago and New York City. Address: 3015 Barrett Station Road, St. Louis, MO 63122. Hours (check before visiting): Tuesday - Saturday: 9:00 am - 4:00 pm, Sunday: 11:00 am - 4:00 pm, extended in summers. Admission: 6 USD. Reference: transportmuseumassociation.org (official website).