Kurzętnik Castle was built by Teutonic Knights in the 14th century. The construction began around 1331 and was completed before 1361. The large castle was 110m long and 42m wide. The first floors were built of granite and upper were brick-made. There was a chapel church in the inner yard. The suffered damages in wars between Teutonic Order and Poland-Lithuanian Commonwealth in 1410s and again in 1659 in Swedish army attack. In the 19th century the existing castle was demolished. Today some outer walls and foundations exist.
Kakesbeck is one of the largest medieval fortifications in Münsterland and the oldest castle in Lüdinghausen. The imposingly grown complex originated in 1120 as a motte, a small hilltop tower castle. After numerous changes of ownership, the castle was extended onto two islands, but it was not until the 14th century that it underwent significant alterations and extensions under the von Oer family. The estate experienced its heyday in the middle of the 18th century, when it covered an area of almost one square kilometre and consisted of five further outer castles in addition to the core castle, which were secured by ramparts and moats.
The well-maintained condition of the castle today is thanks to the late Wilfried Grewing, the former lord of the castle. The foundation named after him has been particularly committed to preserving the property since 2020.