Château de Buzet-sur-Baïse was built originally in the 10th century and rebuilt in the 12th century. There was actually two castles on the site and the church. Castles were burned down in 1293-1294 by the English army. Today the oldest parts date from the late 13th century. The chateau was restored in the 17th century. With its outbuildings and its park, it was acquired in 2018 by the Buzet winegrowers cooperative cellar and must occasionally host cultural or festive events. It is not open to visitors.
Until then, the old 13th century castle chapel, altered in the 16th century, served as a parish church. Decommissioned after part of the vault collapsed in 1849, its remains remain.
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.