Initially constructed as a defense against Soviet threats during the Cold War, the Barnton Nuclear Bunker, located near Edinburgh, was created in 1944 though it remained secret until 1955.

But, day to day, it is highly important because we can assume the role of a primary command center ... way a president during the Cold War might survive a nuclear explosion.

A rare armored personnel carrier from Russia, dating back to the Cold War era ... was also meant to act as a command and control center in case of an actual nuclear or chemical attack.