The Churchill War Rooms is a museum located in London, England that commemorates the life and legacy of Sir Winston Churchill. The museum is housed in a secret underground bunker that served as the wartime headquarters of the British government during World War II. Visitors can explore the historic rooms and corridors, see
From Wikipedia
The Churchill War Rooms is a museum in London and one of the five branches of the Imperial War Museum. The museum comprises the Cabinet War Rooms, a historic underground complex that housed a British government command centre throughout the Second World War, and the Churchill Museum, a biographical museum exploring the life of British statesman Winston Churchill.