Castillo (castle) may be an overly generous descriptor for the former home of the Serrallés rum dynasty, but the estate is an impressive spread, especially if you buy a combination ticket that allows you to explore the grounds. Tour the house with a guide to learn more about the Serrallés family before visiting the Japanese garden and ascending to the observatory level of the Cruceta del Vigía, a cross-shaped structure. You can see all the way to the Caribbean through the observatory’s floor-to-ceiling windows.
