10 most expensive houses in the world (With Pictures)

3. Villa Leopolda

The estate, which is spread over an area of 50 acres, is located at Cote D’Azure in France, and is inclusive of a green house almost as large as a commercial building, a helipad, an outhouse kitchen and a guest house larger than many of the mansions owned by millionaires. It was featured in Alfred Hitchcock’s To Catch a Thief in 1955. Brazilian philanthropist, Lily Safra owns this gigantic mansion which is valued at $750 billion.