Tovrea Castle is an historic structure and landmark at 5041 East Van Buren Street in Phoenix, Arizona on 44 acres bounded by the Red Mountain Freeway (State Route 202), Washington Street on the South, Van Buren Street on the North and the Main Post Office on the West. Locally known as the "Wedding Cake Castle," it was built from 1929 to 1931 in a vernacular Italianate Architectural Style by Alessio Carraro, and was originally intended as the hotel centerpiece of a planned destination resort. It became a private residence after its purchase in 1931 by E.A. and Della Tovrea. The castle is now part of the Phoenix Parks System and is designated as one of the Phoenix Points of Pride. Plans were to fully open the site to the public in 2009, but cost overruns delayed the opening. Currently the Castle and Grounds show over 5,000 individual cacti in over 100 different varieties, all maintained by Tovrea Carraro Society. The Society offers guided tours of the grounds, first floor, and basement along with special events as the Operator and Manager of the site. The castle was added to the National Register of Historic Places in 1996. Earlier names for the structure included "Carraro Heights" and "El Castillo". Current signs label it "Tovrea Castle at Carrarro Heights". From Wikipedia
