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!english heritage cares for over 400 historic buildings, monuments and places - from world-famous prehistoric sites to grand medieval castles, from roman forts on the edges of empire to a cold war bunker. through these, we bring the story of england to life for over 10 million people each year. the english heritage trust is a charity, no. 1140351, and a company, no. 0744722, registered in england.our target is to become completely self-funding by 2023. our confidence in achieving this is based on our track record. during the past 10 years, our commercial income has doubled and we have raised nearly £60m in donated income.