St. Nicholas' Polish Roman-Catholic Church is also known as Mykolaivsky. It is a large gothic church, similar to the great Cathedral at Strausburg France. It was erected in 1899-1909. It used new progressive materials - artificial granite, stone like plasters, reinforced concrete, and facing ceramic tile.

It's height is 62 meters.

This church was ruined in during World War II. The last scientific restoration of 1979-1980 gave the structure back it's original appearance. Recently church services have started again in this location.