8Villa Leopolda – Côte d’Azur, France

Value: $750 million

Villa Leopolda is a majestic estate located on the French Riviera, in the highly coveted region of Côte d’Azur. The property spans over 50 acres and was originally built for King Leopold II of Belgium. The villa boasts 19 luxurious bedrooms, a private beach, a stunning pool, and lush gardens filled with olive, cypress, and lemon trees. Its rich history and stunning location have made it one of the most expensive and sought-after properties in the world.