With war, the rise of AI and a recent pandemic to contend with, the protection provided by a self-sufficient hideaway has never been more appealing. From former Cold War bases to impressive custom creations, there's a whole host of abandoned fortified shelters for sale, just waiting to be converted into high-end hideouts.

Whether you’re a survivalist, a die-hard military enthusiast or a house-hunter in search of a unique fixer-upper project, click or scroll to browse the best vacant bunkers on the market right now...