This grand riverfront mega mansion is located at 4500 Dublin Road in Columbus, OH and is situated on 6.6 acres overlooking the Scioto River. It was built in 1990 and features 32,675 square feet of living space in the main house and 2 apartments. Features include 12 bedrooms, 21 bathrooms, indoor water feature, swimming pool, 4-car garage, man-made pond with fountain, tennis court and more. It is listed at $4,699,000.
*Thanks to HOTR reader Nicholas Hinkle for the tip!