5. Witanhurst – London, England
Construction began in 1912 for rich businessman William Beckett, and it was eventually sold to John D Rockefeller Jr. The Witanhurst estate, which spans 90,000 square feet, contains everything a person might want. It has an indoor swimming pool, sauna, and gym, as well as a movie theater, massage parlor, and plenty of parking spaces. Who is the proprietor? In 2008, Russian billionaire Andrey Guryev paid over $64 million for it.
