This is definitely an interesting place. Faith plays a huge role in people's lives. Thanks to faith, great feats were made (but unfortunately thanks to faith there were also massive wars, such as the Crusades).
If you look from the point of view of science, you can recall the placebo effect. A person is given a pill (an empty tablet) and tells him that she is a real tablet. Using these pills a person is healed. Healed only because he believes that these pills are able to help him.
In your city, there is the cathedral (the Cathedral of the Assumption of the Virgin Mary and Saint Stephen and Vladislav). This place deserves attention