6. Modern Versailles – Windermere, Florida – 90,000 square feet
The Versailles mega mansions earns the sixth place. Based in Orange County, Florida, its owners are Jaqueline and David Siegel, the CEO of Westgate Resorts. The works for its realization were so long that at a certain point the couple risked to lose the entire property. The big house boasts so many bathrooms, 15 bedrooms, 11 kitchens and 6 swimming pools and it has been the protagonist of many documentaries, as The Queen of Versailles.