Note: The DEFCON Warning System does not recommend taking shelter on any military site, even disused ones. There is no way of knowing if they have been removed from an enemy’s target package or not.

For those who worry that Doomsday is around the corner, South Dakota offers bunkers with room for the whole family, and promises the shelter will withstand a nuclear winter or any other major catastrophe. The nearest town is 30 minutes away and there’s no mobile connectivity. “This is [a] 18 square mile [4600 hectare] property. There…