Modern survivalists may choose canned foods over bomb shelters, but for a long time, the fallout shelter was the preparedness measure of choice. In the 1950s and 1960s, thousands of Americans built shelters in basements and backyards, often hiding them from neighbors they feared would knock down their doors when the big one hit. Years later, the U.S. government would spend $50 million on a Y2K "crisis center" to deal with what they believed would be a devastating computer bug. From early air-raid bunkers to the preppers of today, a look at the artifacts of our survival instinct.
