National Postal Museum
Philately

National Postal Museum

Washington, D.C.

About

The National Postal Museum in Washington, D.C. is part of the Smithsonian Institution and houses the world's largest philatelic collection. Located in the historic Washington City Post Office building adjacent to Union Station, the museum explores the history of the American postal system and its role in connecting the nation. Its collection includes over 6 million stamps, covers, and postal artifacts.

Highlights & Things Not to Miss

William H. Gross Stamp Gallery

World's largest single gallery of postage stamps

Mail Call

The history of mail delivery across American history

The Postmaster's Collection

Rare and storied objects from postal history