National Cryptologic Museum

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National Cryptologic Museum The National Cryptologic Museum preserves and showcases unique cryptologic treasures. Cryptology...the art and science of codes and ciphers.

It provides educational programming and resources to educate people about cryptologic history in the U.S. The National Cryptologic Museum houses the most amazing collection of stories and artifacts that tell the intriguing and exciting history of American cryptology. Here visitors catch a glimpse of some of the most dramatic moments in the history of American cryptology. For the visitor, some events in American and world history will take on a new meaning when they discover how the work of cryptologists saved tens of thousands of lives and contributed to achieving victories on our Nation's battlefields. For the cryptologic professional, the Museum is an opportunity to absorb the rich heritage of the profession. The National Cryptologic Museum is also the first and only completely public museum in the Intelligence Community. It hosts approximately 70,000 visitors annually from around the over the world, allowing them a peek into the secret world of codemaking and codebreaking. The Museum is an invaluable educational venue, benefiting thousands of students and teachers every year through guided tours and educational programs. The Museum Library is also an unmatched resource for students, teachers, authors, historians, and researchers of cryptology and the people and events that made history.

STEM-Fest 2026 prep is underway! Don’t miss out on activities like:OzobotsData science gamesLanguagesMagic with Math… an...
10/08/2026

STEM-Fest 2026 prep is underway!

Don’t miss out on activities like:
Ozobots
Data science games
Languages
Magic with Math
… and so much more

Mark your calendars for November 7th from 10am-4pm
No reservations needed and fun for all ages!

10/08/2026
09/28/2026

WATCH LIVE: 104-Year-Old Navy WAVES Lois Widmark shares her story in front of the Bombe she worked on during WWII!

09/28/2026

We are preparing to go live at noon with a 104 year-old World War II Navy WAVES! Be sure to tune in live.

🎥CODE GIRL SPEAKS| Lois Widmark operated the US Navy Bombe machine during WWII. During this exclusive stream at the NCM,...
09/27/2026

🎥CODE GIRL SPEAKS| Lois Widmark operated the US Navy Bombe machine during WWII.

During this exclusive stream at the NCM, she’ll be sharing her story directly in front of the only original, surviving machine.

WATCH LIVE: Monday 9/28 12pm
https://www.facebook.com/share/1EtQkAbcp3/

🎥VIRTUAL EVENT| Join us LIVE September 28th at noon as Lois Widmark shares her incredible experiences as a Code Girl in ...
09/25/2026

🎥VIRTUAL EVENT| Join us LIVE September 28th at noon as Lois Widmark shares her incredible experiences as a Code Girl in WWII.

Lois worked on the only Bombe machine still in existence, watch as she details her story LIVE in front of it!

*This is a VIRTUAL event ONLY.***

WATCH LIVE Monday 9/28 at 12pm EST: https://www.facebook.com/share/1EtQkAbcp3/

How do you track someone who goes completely dark?The answer was hidden in plain sight. A phone number tied to the Wadi ...
09/12/2026

How do you track someone who goes completely dark?

The answer was hidden in plain sight. A phone number tied to the Wadi Duwan honey shop in Kuwait gave intelligence analysts their first major break—leading them directly to bin Laden's personal courier.

Unveiled to the public on the 25th anniversary of 9/11, our new exhibit honors the memory of that day and reveals the quiet ingenuity behind the hunt.

“Defeat Evil with Good”| Gifted to the NSA after September 11, this bottle of Italian Grappa passed from one Counterterr...
09/11/2026

“Defeat Evil with Good”| Gifted to the NSA after September 11, this bottle of Italian Grappa passed from one Counterterrorism Chief to the next—each leaving a personal note for the successor who would carry on the mission.

The bottle had a single instruction: Only open upon bin Laden’s capture or death. Ten years later, the promise was kept.

On this 25th anniversary of 9/11, we stand in solemn remembrance of the victims and honor the enduring dedication of the Intelligence Community.

This bottle and other artifacts related to the takedown of Usama bin Laden, on display at the NCM.

Thank you for coming out to visit our newest exhibit. Open to the public Friday, September 11th.
09/11/2026

Thank you for coming out to visit our newest exhibit.

Open to the public Friday, September 11th.

Across the nation, Americans remember 25 years since the Sept. 11 terror attacks on U.S. soil, and today, one Maryland-based museum is honoring those who aided

HISTORIC EXHIBIT UNVEILING | 25TH ANNIVERSARY OF 9/11Honoring the 25th anniversary of September 11, 2001, the National C...
09/10/2026

HISTORIC EXHIBIT UNVEILING | 25TH ANNIVERSARY OF 9/11
Honoring the 25th anniversary of September 11, 2001, the National Cryptologic Museum is proud to announce a groundbreaking new exhibit revealing NSA’s pivotal role in the relentless pursuit and takedown of Usama bin Laden.

As we reflect on a quarter-century since that fateful day, this special opening offers a powerful look at the enduring commitment to national security.

For the first time ever, visitors can see newly declassified artifacts and hear the untold stories of the intelligence professionals who worked tirelessly for nearly 10 years to honor the victims of 9/11 and bring justice to the nation.

Opening Date: September 11, 2026

Address

8290 Colony Seven Road
Annapolis Junction, MD
20701

Opening Hours

Tuesday 10am - 4pm
Wednesday 10am - 4pm
Thursday 10am - 4pm
Friday 10am - 4pm

Telephone

+13016885849

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