Postal Museum

The mailbox for letters to Santa Claus at the home of the Parsons family in Pennsylvania, on December 10, 2020

Kids Send Thousands of Letters to Santa Each Year. Here's What Really Happens to Them

The United States Postal Service and volunteers have responded to North Pole holiday correspondence over the past century

The envelope was sent twice: once on May 2, 1840, and again on May 4, 1840.

First Known Piece of Mail Sent Using a Stamp Goes to Auction

The 183-year-old envelope is a rare example of two early forms of prepaid postage: Mulready envelopes and adhesive stamps

A pneumatic mail tube at the main Post Office Department branch in New York City, circa 1914 or 1915

When a Labyrinth of Pneumatic Tubes Shuttled Mail Beneath the Streets of New York City

Powered by compressed air, the system transported millions of letters between 1897 and 1953

The "Inverted Jenny," 1918, one of the rarest and most valuable stamps in the world, celebrates the first air mail in the U.S.—by depicting an inadvertently upside-down airplane.

Why Collectors Fall Head Over Heels for the 'Inverted Jenny' Stamp

One of the rare 24-cent misprints sold at auction this week for a record-breaking $2 million

This damaged floor marker, labeled “Stairwell C, Floor 102,” was recovered from the debris of the World Trade Center and is now housed in the National Museum of American History's National September 11 Collection.

Commemorate 9/11 With Free Virtual Programs, Resources From the Smithsonian

Here's how the American History Museum, the National Postal Museum and more are reflecting on the tragedy

The long-barreled pistols will be on view at the Postal Museum from May 25 through June 24.

Hamilton and Burr’s Dueling Pistols Are Coming to Washington, D.C.

Don’t throw away your shot to see these infamous flintlocks, and an incredible assortment of other Hamilton memorabilia, at the National Postal Museum

The dead letter office circa 1922. The contents of unresolvable dead letters and packages are periodically sold off by the USPS.

A Brief History of American Dead Letter Offices

The United States postal system was established on this day in 1775, and mail started going "dead" very soon after

Some of the 3,000 commemorative letters sent in the first Postal Department rocket mail are still around. Some made it into the National Postal Museum's collection.

Mail Delivery By Rocket Never Took Off

Although the Postmaster General was on board with the idea of missile mail, the Navy was ultimately less interested

2001 Anthrax Case

Anthrax Letters, Now on View, Represent the Serious Threats Faced by the Post Office

The National Postal Museum's "Behind the Badge" exhibit explores the history and legacy of the United States Postal Inspection Service

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Smithsonian Holiday Festival: Movies, Music, Shopping and More

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Remembering Pearl Harbor

Before Email, There Was V-mail

A history of the method used to transmit letters during World War II

A Passion For Postcards

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