The church of Inzersdorf is a Roman Catholic church in one of the oldest parishes in Vienna (1217). The current classical building was built from 1818 to 1820.
The Steinhoff Church, designed from 1904 to 1907 by Otto Wagner, is a masterpiece of Vienna's Art Nouveau.
The Karlskirche is a Roman Catholic church built in the first half of the 18th century. Located on Karlsplatz near the city center, it is one of the most important baroque churches in the northern Alps and is a listed historical monument.