The baroque fortress with Petrov hill dominates the skyline of Brno.The old castle was founded by King Premysl Otakar II in 1277. In the 14th century,autonomous Luxembourgs reigned here. During the centuries the castle wastransformed into a forcible baroque fort. The fort resisted all swedish attacks duringthe batlle of Brno (1643) under Raduit de Souches leadership.In the 18th century, Spilberk became a nightmare for the whole of Europe. The terrificprison was built in Kasematy. The heaviest prison in theAustrian-Hungarian empire wascalled „dungeon of nations“. This prison was closed as late as 1961.Nowadays, you can find a museum there. Many famous festivals such as Ignis Brunensis,Summer Shakespeare festival and iron fencing exhibitions take place there.