Mansion Xanadu is a luxurious villa built in the 1930s by the American billionaire du Pont family. The building is a blend of Spanish Moorish and classical elements, and sits on a seaside cliff with magnificent views. Today, it is open to the public as a museum and restaurant, showcasing the luxurious life and exquisite craftsmanship of the du Pont family back in the day, and is a unique attraction for learning about Cuban history and architecture.