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Devoted to the history of America’s mail service and the hobby of stamp collecting.
Highlights Full-size, Freightliner semitruckcab cutaway; three vintage mail planes; stagecoach; 1931 Ford Model A postal truck; replica of a railway car; letters; updated exhibition on the Pony Express; special exhibits of rare and important stamps; videos, computer interactives, hands-on activities, free public Wi-Fi
Union Station (Mass. Ave. exit)