St Nicholas Church Prague is the biggest Baroque church in the city. It is located on the Malostranske Namesti 5 minutes away from the Charles Bridge. St Nicholas has one of the largest ceiling frescoes in Central Europe and the tallest cupola in the city, 79 meters. Even Mozart liked the acoustics there and would come to play the organ! St Nicholas Church often has concerts, the ticket is usually around 490czk.
The entrance to the church costs 100czk and also includes a small painting exhibition of Karel Skreta on the upper gallery.