Once the domain of fringe survivalists and doomsday preppers ... associated with billionaires and tech moguls, affordable underground shelters are also becoming more accessible to regular people.

There can be a lot of variation in the pricing, but none of it is particularly affordable ... bunker, you'll want to look around for reputable, certified builders. Some big names in the doomsday ...

Tech billionaires are building luxury doomsday bunkers, according to a tell-all book by Douglas Rushkoff. Sources: The Guardian, "Survival of the Richest: Escape Fantasies of the Tech Billionaires ...

Despite the planning snags, social media users have brainstormed a wide variety of possible uses for the bunker. “That would be good for a content creator that focuses on [doomsday] prepping ...

Narrator: Doomsday prepping isn't a new idea. In the '50s and '60s, houses were built with bunkers, and shelters started popping up during the Cold War. Today's preppers have plenty of survival ...

The idea of a doomsday vault hidden on a remote Arctic ... And the permafrost and thick rock surrounding the bunker ensure the samples will remain frozen, even if power is lost.

"DOOMSDAY BUNKERS" pulls back the curtain on advanced and secretive underground bunkers -- impenetrable safety zones - that feature the ultimate in security, comfort, and cutting edge design and ...

Photo / Supplied An underground shelter, or ‘Doomsday bunker’, has been built in New Zealand, the Herald can confirm for the first time. It comes after years of speculation that super-rich ...