Książ Castle, located in Wałbrzych, Lower Silesia, Poland, is one of the largest castles in the country and a significant historical and cultural landmark. It has a long and complex history, dating back to the 13th century. Over the centuries, it underwent multiple expansions and renovations. The castle played various roles, serving as a defensive fortress, a royal residence, and a cultural center.

Moszna Castle is a historic castle located in the village of Moszna, in southwestern Poland. Moszna Castle has become a popular tourist attraction, drawing visitors not only for its historical and architectural significance but also for its enchanting and fairy-tale-like appearance.

Malbork Castle, also known as the Castle of the Teutonic Order in Malbork, is a medieval fortress located in the town of Malbork in northern Poland. It is one of the most significant and well-preserved castles in Europe, recognized as a UNESCO World Heritage Site.

Wawel Royal Castle is a castle residency located in central Kraków, Poland. Built at the behest of King Casimir III the Great, it consists of a number of structures situated around the Italian-styled main courtyard. The castle, being one of the largest in Poland, represents nearly all European architectural styles of medieval, renaissance and baroque periods.