Dating from the 13th century, Špilberk Castle (hrad Špilberk) was built on a commanding hill by Czech King Pøemysl Otakar II and has served many roles over the years, including those of royal castle, fortress, and prison.
Today, the castle is home to the Brno City Museum, established in 1904 and home to many excellent permanent (and frequent temporary) exhibitions. Permanent exhibits focus on the architectural history of the castle and its role as a prison, as well as the history of Brno.