In the 2nd century AD, the city-sanctuary of Gisacum extended near Saint-Aubin, which was gradually abandoned until disappearing in 5th century. In the 1801 archaeological excavations uncovered this important Gallo-Roman site; but in reality at the time the town covered an area of 250 ha. The interpretation centre has a permanent exhibition tracing the history of Gisacum, and the archaeological garden offers an original development of the thermal baths, which helps to visualise the disappeared monuments, in a pleasant landscape setting.
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.