Dianne Z.
8/21/2025
A super cool little museum that is probably also vastly overlooked. Lots of actual relics and equipment used over the years for coding/decoding messages during war times and non-war times. A...
National Cryptologic Museum
Closed
(64)
Photos
8290 Colony Seven Rd
Annapolis Junction, MD 20701
History
The National Cryptologic Museum opened its doors to the public in 1993 as the only completely public museum in the Intelligence Community. Since then it has continued to tell the story of codemaking and codebreaking and how cryptology has impacted the course of history. Hands-on activities for kids (and adults).
Reviews
4.564 reviews
Jeff B.
8/2/2025
Very interesting and free museum all about the history and importance of cryptology. It essentially is about the development of means for securing communication, through language, math and...
Emily L.
7/19/2025
A hidden gem! The National Cryptologic Museum is packed with fascinating exhibits on codebreaking, espionage, and the evolution of secure communications. You can see real Enigma machines, stories...
Greg S.
6/14/2025
On a school trip this was a big learning experience. For any parents with math loving children, this is the place you want to be with them. A very enthusiastic staff ready to introduce us to many...
Alexis B.
3/16/2025
This free museum adjacent to NSA Headquarters at Fort Meade really blew me away when we finally visited this weekend. It houses thousands of artifacts relating to the history of the cryptologic...
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