Kielce Castle is a medieval castle located in the city of Kielce, Poland. Built in the 12th century, it has served as a stronghold for the city's rulers for centuries. The castle has seen many battles and sieges throughout its history,
From Wikipedia
The Palace of the Kraków Bishops in Kielce, was built in the 17th century as a summer residence of bishops of Kraków in Kielce, Poland. The architecture of the palace constitutes a unique mélange of Polish and Italian traditions and reflects political ambitions of its founder. Currently the palace houses a branch of the National Museum with an important gallery of Polish paintings.