Człuchów Castle consists of some of the defence walls and the 46-metre tower. The Człuchów stronghold was built during the 14th Century by the Teutonic Order. The exact date of completion is unknown but it is assumed to be the year 1365. During the history, the castle was considered an unconquerable fortress, and was an important element in the defence system of the monastic State. The glory days of the fortress date were up to the year 1772, when it was taken over by the Prussians, while the city fire of 1793 completed the devastation of the building. In order to rebuild the town, the residents were granted consent to deconstruct the Castle, leaving only the tower and fragments of the defence walls. A neo-gothic Evangelical church was added onto the foundations of the former Castle chapel during the years 1826-1828. This church is associated with one of the mysteries; the lost Amber Chamber, supposedly hidden by the Nazis.
References:The Clementinum is a historic complex of buildings in Prague. Until recently the complex hosted the National, University and Technical libraries, the City Library also being located nearby on Mariánské Náměstí. The Technical library and the Municipal library have moved to the Prague National Technical Library at Technická 6 since 2009. It is currently in use as the National Library of the Czech Republic.
Its history dates from the existence of a chapel dedicated to Saint Clement in the 11th century. A Dominican monastery was founded in the medieval period, which was transformed in 1556 to a Jesuit college. In 1622 the Jesuits transferred the library of Charles University to the Klementinum, and the college was merged with the University in 1654. The Jesuits remained until 1773, when the Klementinum was established as an observatory, library, and university by the Empress Maria Theresa of Austria.