Klementinum is a former Jesuit college on which they were working for over 200 years. Nowadays it is a seat of National library, but also a great museum where you can find one of the most beautiful libraries in the world. As a part of the tour, you get to see the library, learn about life of Jesuits there as well as climb up the Astronomical tower of Klementinum. A must visit for all book lovers!
Klementinum
website: https://prague.eu/en/objevujte/the-clementinum-astronomical-tower-and-baroque-library/
Address: Mariánské náměstí 5, Prague 1