This original wartime building, built in 1942, is now where you can explore fascinating exhibitions about the work and people of Bletchley Park. This includes:

• The Life and Works of Alan Turing gallery
• Hitler’s “Unbreakable” Cipher Machine: Gallery dedicated to telling the story of the breaking of the Lorenz cipher
• The largest and most comprehensive public display of Enigma machines in the world
• The Japanese Challenge: Breaking the Japanese Codes
• Bletchley Park Timeline – How the work of Bletchley Park influenced key WW2 events
• From Intercept to Action – the Codebreaking process explained
• From GC&CS to GCHQ – trace the Government Code & Cypher School’s (GC&CS) transition to a peacetime organisation