Until a few years ago, millionaires and billionaires would try to top each other out by showing off their big boy toys, be they entire fleets of luxury vehicles, superyachts, or private jets. We've ...

For 100 days they worked beneath the ground using only primitive tools. Every wall, tunnel, and room was carved by hand while ...

In this full video, we show you how we built a modern underground millionaire house with a luxurious private swimming pool in just 100 days. From the initial excavation to the final touches, we guide ...