The Counts of Schwalenberg left the old castle Schwalenberg, which originally gave the family its name, later Oldenburg near Marienmünster, and built the city and the new castle, now known as Burg Schwalenberg. The castle was constructed from 1228 to 1231 during the time of Count Volkwin III. Around the same time, the town of Schwalenberg also emerged. The castle was pledged to various noble families from 1358 until the first quarter of the 17th century. In 1613, after the death of his father Simon VI., Hermann (1590–1620) inherited the office and the castle of Schwalenberg. He decreed that the keep be demolished in 1618. Later, it became the seat of branches of the House of Lippe. In 1627/28, a castle with elements of the late Renaissance was built on the site of the castle. One wing of the castle still remains, which was renovated between 1911 and 1913. Between 1938 and 1945, the castle was used as a convalescent home for mothers, and after that, it served as an evangelical children's recreation home until 1962. Subsequently, the building was renovated and converted into a hotel.
Situated on a hill above the town, the castle is accessible on foot or by vehicle from the city. The castle was sold in 2017, and as part of the planned redevelopment, it is undergoing renovations until 2019. The castle will be transformed into holiday apartments. These were approved in December 2018, and work on them has commenced. The castle cafe reopened in mid-January 2019.
References:Saint-Georges de Boscherville Abbey is a former Benedictine abbey. It was founded in about 1113 by Guillaume de Tancarville on the site of an earlier establishment of secular canons and settled by monks from the Abbey of Saint-Evroul. The abbey church made of Caumont stone was erected from 1113 to 1140. The Norman builders aimed to have very well-lit naves and they did this by means of tall, large windows, initially made possible by a wooden ceiling, which prevented uplift, although this was replaced by a Gothic vault in the 13th century. The chapter room was built after the abbey church and dates from the last quarter of the 12th century.
The arrival of the Maurist monks in 1659, after the disasters of the Wars of Religion, helped to get the abbey back on a firmer spiritual, architectural and economic footing. They erected a large monastic building one wing of which fitted tightly around the chapter house (which was otherwise left as it was).