We learned about the National Crytological Museum from Trip Advisor. In addition to weekday hours, they are open 2 Saturdays per month, so it fit into our travel plans. We stopped on the way out of Baltimore. Its definitely worth a stop if you're interested in US history, codes and ciphers. We were particularly excited by actually getting to type... more

This museum is not only super easy to find right off 295, it's also located about halfway in between Washington and Baltimore, so it's a really nice diversion between the two cities. Unlike the museums in DC, I would say this one is perhaps a little less "user friendly," although to be fair they're working with not only less space,... more

This was a very pleasant surprise. It is a small, manageable museum that is well put together. The displays hold interest for late elementary school aged kids right on through adults. The whole museum can be enjoyed in just about an hour---maybe a bit more if the docent has a lot to share. A free recorded tour guide supplements the... more

We really enjoyed the Cryptologic Museum. My husband and I had recently read a book about the Enigma machine used by the Germans to encode messages during WWII and we just stopped in to see one. We found a wealth of information, but even better we found the docents to have a refreshingly honest and deep passion for the subject.... more

If you or your child is interested in spies and secret codes, this museum on the grounds of the National Security Agency at Fort Meade can't be missed. They have exhibits on everything from Civil War ciphers to Cray supercomputers, but my favorite was the Enigma machine. This famous cipher machine from World War II was thought by the Germans... more