sentences:  After many delays, the City of Phoenix finally completed the project by Arizona's centennial on February 14, 2012, including a visitor's center open to the public.Tovrea Carraro Society, a local non profit organization formed to operate the site, in partnership with the City of Phoenix, has been conducting guided tours of the grounds, first floor, and basement since March 2012.The Tovrea Castle is a pine wood and stucco building constructed in a unique three-tier fashion bearing a strong resemblance to a traditional wedding cake, and as such has earned it the local nickname "The Wedding Cake."