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Bletchley Park is now open. All visitors must pre-book a timed entry slot. Please see our REOPENING SAFELY page for further information. To see availability and make a reservation please see our BOOKING page.

Museum in Block B

Museum in Block B

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

Related Pages

Lorenz

Perhaps Bletchley Park's greatest success was the breaking of the Germans' strategic ciphers

The Challenge

Explore the different types of machines and codes that were using during World War Two

Lorenz

Perhaps Bletchley Park's greatest success was the breaking of the Germans' strategic ciphers

The Challenge

Explore the different types of machines and codes that were using during World War Two