The National Postal Museum is devoted to presenting the colorful and engaging history of the nation's mail service and showcasing one of the largest and most comprehensive collections of stamps and philatelic material in the world.

The museum is located at 2 Massachusetts Avenue N.E., Washington, D.C., across from Union Station.

The museum is open daily from 10:00 a.m. to 5:30 p.m. (closed Dec. 25).

Visit the museum's websites at

http://www.postalmuseum.si.edu

http://www.arago.si.edu