24 Most Expensive Mansions In The World
Xanadu 2.0
The 66,000 sq ft home of Bill and Melinda Gates, the Gates family has been building the Xanadu complex for years. In addition to the cool entertainment features (like an indoor trampoline room and a massive pool and reception hall), the home is loaded with technology that lets you climate control each room and even change the art work with the touch of a button. Price tag: $125 million.
