Discover Westminster's Second World War sights with a knowledgeable guide and visit the fascinating Churchill War Rooms, an underground network of bunkers that served as the government wartime offices. The 2.5-hour walking tour includes little-known war tales and tidbits of London history as well as facts about the much-loved maverick leader Sir Winston Churchill. Learn of his life and legacy on a tour of the war cabinet's Churchill Museum, and then explore the rest of the cabinet rooms with an audio guide. The tour also takes in top London sights such as Big Ben and Westminster Abbey.