Bill Gates – $127 Million – Washington, D.C.

Located in Medina, Washington this $127 million property comes with seven bedrooms and a whopping eighteen and a half bathrooms. Now, before you worry about the energy consumption in such an expansive home, know that it makes use of very eco-friendly design in true Bill Gates fashion. The grand mansion covers 66,000-square-feet of living space and has been dubbed, Xanadu 2.0. There’s plenty of interesting tidbits about the home as well. It was built using 500-year-old Douglas fir trees, comes with a high-tech sensor that monitors lighting and temperature, top-notch home security systems, and makes use of its natural surroundings to lessen heat loss!

The name of the house Xanadu came from the film Citizen Kane. The Microsoft founder spent $63 million for the establishment of this mansion and the construction took seven years before it was completed. The house has amenities that would amaze you and make you think that it’s bizarre, including a library which has a secret bookcases and a 1,500-square feet theater which features a popcorn machine if you want to eat while enjoying the film.