15. Silicon Valley Mansion, California
The sprawling Silicon Valley mansion, situated in Los Altos Hills, California, belongs to Russian entrepreneur and venture capitalist, Yuri Milner. This French chateau-style mansion was purchased for $100 million.
Silicon Valley mansion is built in an area of 30,000-square feet and incorporates some of the world-class and lavish features. The Georgian-style interiors consists of stunning ballroom, seven giant bedrooms, eight bathrooms, embellished library, long staircases, and historically detailed portico. The exteriors of the mansion are bejewelled with abundant green trees and plants, gorgeous cascade, and some of the antique statues.