Newell, 62, has a lot to celebrate this month, including his gaming company Valve announcing three new pieces of hardware.

Austria's Migaloo is offering to build a private "submersible superyacht" for the ultrarich. It says the M5 would be able to travel 820 feet underwater and stay submerged for a month. Despite the high ...

Gabe Newell, better known as both Lord Gaben and the founder of Valve and the owner of Steam, recently made waves, ...

We're not done, not even close. Leviathan has two gyms, a 250 square meter beach club with a spa and bar, diving platforms, ...

(CNN) — There’s been a trend in recent years for billionaire basements – subterranean extensions to the homes of the rich and famous, where they can bunker down and live large. Now an Austrian company ...

Constructed by Oceanco, a Dutch shipyard that Newell acquired last August, the Leviathan stretches an impressive 364 feet in length and is notable for being the 50th largest yacht in the world. The ...

Editor’s Note: Sign up for Unlocking the World, CNN Travel’s weekly newsletter. Get the latest news in aviation, food and drink, where to stay and other travel developments. There’s been a trend in ...