Tony Stewart’s Hidden Hollow Ranch in Indiana has returned to the market for $18.9 million. The 415-acre property has a 19,713-square-foot main house with six bedrooms, an 8,700-gallon aquarium, indoor stream, bowling alley and golf simulator.
In 2010, Tommy Hilfiger bought a 22-acre Greenwich estate for $31.4 million; after a three-year restoration of the 13,300-sq-ft mansion, new pool and renewed grounds, it sold for $45 million