Elliot Gruber is the director of the Smithsonian’s National Postal Museum. The mission of the Postal Museum is to educate, challenge and inspire its audiences on the breadth of American experiences.

Here, they are learning how to mail a letter, which they wrote to a friend about their field trip, at the U.S. Post Office on site at the museum. National Postal Museum, Smithsonian Institution ...

according to the Smithsonian's National Postal Museum. Fairbanks, charged with "preventing the miscarriaige of letters" and to "take care that they be delivered or sent according to their ...

National Postal Museum Owney the Dog's Story, as Told by his Typist National Postal Museum Photograph of Owney the dog National Postal Museum Photograph of Owney the dog National Postal Museum ...

The first human package was believed to be the 10-pound infant son of Mr. and Mrs. Jesse Beauge of Glen Este, Ohio, National Postal Museum historian Nancy Pope told The Washington Post.

The U.S. Postal Service has unveiled its latest stamp collection, dedicated to Freshwater Fishing Lures, at the Johnny Morris ...