12. La Leopolda
Place: France’s Villefranche-sur-Mer
Completed Cost: 750 million *
Year Completed: 1931
Located in France, Villa Leopolda is an eighteen-acre villa that is still among the most costly homes worldwide. Built at a cost of $750 million, it has had a number of well-known owners over the years, including the affluent businessmen Agnellis, Killams, and Safras.

La Leopolda on Pinterest and @nextluxury
With a colorful past, to say the least, Villa Leopolda overlooks the stunning lagoons of the French Riviera. It served as a French military hospital during World War I before becoming a home once more. This villa can also be seen in a number of well-known films, such as To Catch a Thief and The Red Shoes.
