The most modern and spine-chilling of English Heritage’s properties, the York Cold War Bunker uncovers the secret history of Britain’s Cold War. Enter the blast-proof doors and investigate the more unusual side of York’s heritage. In active service from the 1960s–1990s the bunker was designed as a nerve-centre to monitor fallout in the event of a nuclear attack. To complete your family day out in York, why not visit nearby Clifford’s Tower and see York from above!