Castles, palaces and mansions Castello del Malconsiglio The Malconsiglio Castle was built between the 8th and 9th centuries. The structure has seven towers and is shaped like a parallelogram. In 1485, the Conspiracy of the Barons remained in the rooms of the castle. Over the years the castle had some owners. The most particular part is the Hall of the Star also known as the Hall of Spirits where there are niches carved in the walls and support the treasures of the inhabitants.