"Exterior view of the Diamond Castle, a residence in Alhambra, with its main entrance at center" Photograph of an exterior view of the Diamond Castle, a residence in Alhambra, with its main entrance at center, . The Diamond Castle, a two-story building constructed partially in the Queen Anne style of architecture, is shown at center, fronted by a roughly landscaped yard. The house has a shingled roof with several different gables, two porches, and a turret visible on its right rear corner. Several towers on the left and one in the front are constructed in a simple Medieval castle-type style; the one in the front reads "Diamond Castle". The house is surrounded by a low iron fence. Other residences are visible in the right background.