Meta CEO Mark Zuckerberg is building a huge bunker complex in Hawaii for $300 million, along with backup properties in Palo ...

Co-founder of OpenAI proposed building a doomsday bunker that would house the company's top researchers in case of a "rapture," according to a book.

Mark Zuckerberg, CEO of Meta, is reportedly building a massive bunker in Hawaii for $300 million, in addition to owning ...

OpenAI's former chief scientist Ilya Sutskever has long been preparing for AGI — and he discussed with coworkers doomsday prep plans.

Steve Humble, president of Creative Home Engineering — a company specializing in building hidden doors leading to panic rooms and shelters — is a firm believer in his own product, as described ...

Three real-estate pros talk about the coolest and creepiest hidden rooms they’ve ever encountered, ...

A hidden underground facility located 60 miles west of Washington, D.C., is getting upgrades to help protect federal government during a crisis.