Discover fascinating details about Bill Gates’ $124 mιllιon home. The exceedingly opulent swimming pool with an underwater music system can’t help but draw notice.

Building the “Xanadu 2.0” mansion in Medina, Washington, which bears the name of “Citizen Kane” protagonist Charles Foster Kane’s fictional residence, cost Bill Gates seven years and $63 mιllιon. Bezos lives in Medina, a Seattle suburb, along with some of the richest people on the globe.

The house is enormous—66,000 square feet—and packed to the gills with high-tech features.

The 3,900 square foot, separate building in the above photo with the big brown roof houses the 60-foot pool. Swimmers in the pool may pass through a glass wall and up to an outside terrace area by going underneath it. Also, you can swim while listening to your favorite songs on an underwater sound system.