St. Nicholas church from the mid-14th century dominates the Prešov cityscape with tall tower reconstructed in Gothic style. The construction of the church was finished in 1515. Despite of repeated modifications and fire in 1788 many Gothic elements have been preserved in its architecture. The Gothic and Baroque styles alternate on the main altar of St Nicholas from 1696. Statues of angels from the beginning of the 16th century were made in workshop of Master Pavol of Levoča.
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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.