The National Cryptologic Museum is an American museum of cryptologic history that is affiliated with the National Security Agency. The first public museum in the U.S. Intelligence Community, NCM is located in the former Colony Seven Motel, just two blocks from the NSA headquarters at Fort George G. Meade in Maryland. The museum opened to the public on December 16, 1993, and now hosts about 50,000 visitors annually from all over the world.
The NCM is open Monday to Friday, 9:00 AM – 4:00 PM, as well as 10:00 a.m. – 2:00 p.m. on the first and third Saturdays of each month. It is closed on Sundays and all federal holidays, and operates on NSA's emergency/weather closure schedule.
Wikipedia https://en.wikipedia.org/wiki/National_Cryptologic_Museum
Official Website https://www.nsa.gov/about/cryptologic_heritage/museum/index.shtml
Phone +1 301 688 5849
Address Colony Seven Rd Annapolis Junction, MD 20701, USA
Coordinates 39°6'53.555" N -76°46'29.085" E