Little-known facts about Bill Gates' $124 million mansion

This is not Gates' mansion.

Altogether, Gates' garages can accommodate up to 23 cars.

Gates' first big splurge after Microsoft hit it big was a Porsche 911 like thsi one.H&H ClassicsThere are several different garages at different points around the property. The most interesting one, however, is an underground cave made out of concrete and stainless steel. That garage alone can park 10 cars. Some of the concrete was purposely broken to give it a rough, "deconstructivist" look. Gates himself is a noted car nut — he says his first big splurge after Microsoft made it big was a Porsche 911.