Whether you want to quietly reflect or gain a deeper understanding of the history of the building, St. Stephan´s Church with windows by Chagall is a popular site to explore. Check to see if this holy place is open to tourists to experience the calmness inside.
To visit this house of prayer, find your way to Altstadt Mainz. You'll find lots of other things to see in the area, including Mainz Cathedral, Gutenberg Museum, and BRITA-Arena.