The castle was built by the Normans in the XII century and restored by Frederick II between 1233 and 1240. The castle, located in a central area of the chief town in Puglia, is a spectacular testimony to medieval construction that offers tourists the chance to visit one of the most interesting fortresses in the region. You can admire the stone bridge which leads to the castle, the corner embankments used to defend the fortress and the numerous towers that characterise this quadrangle structure: the Minorenni tower, Monaco tower, Vento tower and Semaforo tower. Today, the castle the headquarters of the Superintendency for Environmental, Architectural and Historical Heritage in Puglia and it also hosts a Gallery of Plaster Casts.