Smithsonian museum celebrating the history of the U.S. Postal Service with interactive exhibits, vintage mail vehicles, and the world’s largest stamp collection.

How to Get There

From Union Station Metro, use the Massachusetts Avenue exit and walk across the street to the museum entrance.

Overview

The National Postal Museum, part of the Smithsonian Institution, offers a fascinating look into the history and evolution of the United States Postal Service. Located in the historic City Post Office Building next to Union Station, the museum features immersive exhibits that explore the transportation of mail by stagecoach, train, airplane, and even horseback. Visitors can step inside a 1920s-style post office, view airmail planes suspended from the ceiling, and explore the William H. Gross Stamp Gallery—the largest of its kind in the world. Interactive displays allow guests to sort mail, design stamps, and learn about the role of postal inspectors.

With free admission and a central location, the museum is a favorite for families and history enthusiasts alike. The museum’s lower level atrium houses vintage vehicles and hands-on exhibits, while the main level offers stamp-related activities and educational programs. Whether you're a philatelist or simply curious about how mail connects the world, the National Postal Museum delivers an engaging and educational experience for all ages.

This article uses material from the Wikipedia articles and official tourism pages for the National Postal Museum, which are released under the Creative Commons Attribution-Share-Alike License 3.0.