The landscape of this European country is dotted with concrete military bunkers that offer tourists an insight into its dark ...

This type of bunker would provide safety, ventilation, and a place to store food and water, but that's about it -- and installation alone can cost you 30% of the bunker price itself. On the higher ...

Companies specializing in these types of properties, such as Survival Realty and Rising S Bunkers, have seen exponential growth as more people become willing to invest in their own safety.