チャーチル博物館内閣戦時執務室

This secret bunker under a bombproof concrete slab is where Winston Churchill directed the British effort against the Nazis. It’s fascinating and has been left exactly as it was, including Churchill’s bedroom, where he slept for much of the war. It’s extraordinary that until the ’80s it remained an official government secret. Get the audio guide—you don’t want to miss a thing. Afterward, walk over to Inn the Park, right in St James’s Park, for lunch or a beer. It’s lovely. Real political anoraks might like to know that this is the park in which politician Oliver Letwin used to empty classified documents into bins until a newspaper rumbled him.