 Some monuments include the unfinished cathedral, the Plaza Mayor (Main Square), which was the model for that of Madrid, and of other main squares throughout the former Spanish Empire, the National Sculpture Museum, next to the church of Saint Paul, which includes Spain's greatest collections of polychrome wood sculptures, and the Faculty of Law of the University of Valladolid, whose façade is one of the few surviving works by Narciso Tomei, the same artist who did the transparent in Toledo Cathedral.The Science Museum is next to the river Pisuerga.The only surviving house of Miguel de Cervantes is also located in Valladolid.