If you want to throw a special event or house party somewhere fabulous, then Château Bouffémont, 30 km from Paris, is magnificent. The Beaux-Arts landmark dates back to the 19th century  and has been extensively renovated. The 10 Suites can sleep up to 27 guests, and there are 5 grand halls, as well as tennis courts, an indoor swimming pool and a Jack Nicklaus designed golf course.