Dig a token out of your pocket and head for the turnstiles of the worlds great subways in this fabulous and colorful journey! Learn about the design and construction history of each subway, the features that make each system unique, and the variety of rolling stock and motive power found on their tracks. Examines the premier subways of London, New York, Moscow, Paris, Toronto, Boston, Chicago, Washington D.C., San Francisco, and Tokyo. Climb aboard.