In the 18th century, the castle's marbles and other ornamentation were looted. Members of the House of Bourbon took the marble columns and window frames and reused them at their palace in Caserta. What remains now includes fragments of a knight and a re-used Roman relief, while in the Provincial Gallery of Bari there are a head fragment and a cloaked, headless bust, sometimes interpreted as Frederick II. After having been abandoned for a considerable length of time, the castle was purchased in 1876 for the sum of 25,000 lire by the Italian State, which began the process of restoration in 1928.