Introduction to the Ancient Wizytek Church: The Ancient Wizytek Church (Kościół Wizytek) is located near the University of Warsaw. This is a post-Baroque building built in the 18th century. The interior of the church is very gorgeously decorated. It is said that there were junior and senior high schools at the University of Warsaw, and Chopin, who was still a student at the time, served as the organist of every Sunday Mass in this church.