The Bishop's Castle is located on top of Kaptalan Hill. It is a historical monument that was built after the Mongol invasion of Hungary in the thirteenth century AD. This castle has an interweaving mixture of Gothic, Baroque, and Renaissance styles. In addition, it has a high-rise watch tower that provides beautiful panoramic views of the city. This tower also houses some artifacts, photographs, coats of arms and other exhibits that tell the history of the castle's construction.