Villa Leopolda
A Brazilian philanthropist named Lily Safra owns this large mansion that is spread over an area of 50 acres in Cote D’Azure, France. The mansion has a large greenhouse, a helipad, and Kitchen. It also has a guest house which is larger than many of the houses owned by millionaires. The mansion is valued at $750 billion.
 Four Fairfield Pond
This splendid building is spread over an area of 63 acres in Sagaponack, New York and is the residence of Ira Rennert who owns the Renco Group. The house is valued at $248.5 million which contains a 91-foot long dining room, 39 bathrooms, 29 bedrooms, sports courts, and a power plant.