The Bourbon Prison in Syracuse is a large 19th-century building designed by Luigi Spagna, with neoclassical features, which served as the city's penitentiary until 1991. Rectangular in shape, the structure is surrounded by a voluminous wrought-iron railing and is nicknamed by the Syracusans "a casa cu n'occhiu" (the house with an eye) because of the eye carved above the arch of the main door. Some claim that it is the watchful eye of Justice, since the monument was once the seat of the Tribunal, others that it can be identified with that of the prisoners, who through the slits in the grating could see the freedom denied to them, but there are also those who believe it can be traced back to the same "panoptic" structure of the building.