It's often fascinating to look into differing beliefs. A visit to Augustinian Church is a great way to deepen your understanding of one of the local religions.
This house of prayer in Innere Stadt is well-liked by fellow travelers, so leave a spot for it on your must-see list. Don't think the sightseeing ends there, however. There are a lot more options ready for you to explore after Augustinian Church. Schönbrunn Palace, Vienna State Opera, and Hofburg Imperial Palace are close by.