Eger Lyceum was built in 1765-85, by specifying a well-known patron of the Archbishop Karoly Esterhazy architect J. Fellner in the late Baroque style. This is one of the oldest and most prestigious educational institutions of Hungary. The Lyceum has the largest known throughout the country diocesan library on the first floor, which is open to visitors. Here are ancient documents and codices, manuscripts, there is only the original letters of Mozart in Hungary.

In the West wing of the Lyceum on the 6th floor is a Museum of astronomy and 53 metre tower camera obscura, or, as it is called, "Eye of Eger". With it on the white bench in the hall of the Museum is projected the image of the city. And from the balcony of the tower offers a beautiful view of the city. Noteworthy luxurious interiors of the Lyceum, including frescos on the ceiling of the library.