The structures forming the "classical core" of the campus were built in the Beaux-Arts Classical style, and include Hearst Greek Theatre, Hearst Memorial Mining Building, Doe Memorial Library, California Hall, Wheeler Hall, (Old) Le Conte Hall, Gilman Hall, Haviland Hall, Wellman Hall, Sather Gate, and the 307 feet Sather Tower (nicknamed "the Campanile" after its architectural inspiration, St Mark's Campanile in Venice), the tallest university clock tower in the United States.