United Kingdom

The United Kingdom (Wikipedia) (Wikitravel).

London

 * See also: (Wikipedia) (Wikitravel)

Museums

 * Science Museum (3-wheel Enigma)
 * Polish Institute and Sikorski Museum, (Polish Enigma replica),.
 * HMS Belfast, (KL-7 and 4-wheel Enigma)
 * Cabinet War Rooms, (SIGSALY),.
 * Imperial War Museum, UK (Siemens T52D and 3-wheel Enigma),.
 * ''The National Archives, Kew, London. A large number of records concerning the history of cryptography.

Nearby

 * Bletchley Park is sited fifty miles to the northwest.

Elsewhere

 * Dorset: Royal Signals Museum, Blandford Camp, Dorset (a 3-wheel Enigma machine, Rockex, a 'Derby' cipher machine, M-209-B, Typex, Portex, Slidex, a Crypdix device, a "codes and ciphers" display, various others).
 * Jersey: Jersey War Tunnels, Jersey (Enigma),.
 * Guernsey: Occupation Museum. A 4-rotor Enigma with plugboard.
 * Bedfordshire: Intelligence Corps Museum. (A 3-rotor Enigma and a NEMA),.
 * Portsmouth: Royal Naval Museum. (Unusual 4-rotor Enigma with missing reflector; 4th rotor has been "doctored" to act as a reflector: ).
 * Liverpool: Derby house, (Western Approaches). Contains a "decoding room" where messages were decrypted, and possibly an Enigma exhibit (can anyone confirm?): ,
 * N/A: Mark Baldwin (3-wheel Enigma)