There are a handful of ultra-high-net-worth pursuits that sound tempting, but don’t really make sense. They’re typically wildly expensive and operationally inconvenient. And always difficult to ...

They’ve got safe houses in New Zealand and private planes full of jet fuel, but cruise-ship-sized yachts are how the planet’s richest people plan to escape a world gone to hell. That’s why, for the ...

Although the Nemo personal submarine is billed as "the lightest manned submersible ever built," it's still typically hefted into the water via a crane on a superyacht. The Beachlauncher offers an ...