St. Nicholas is the largest five-aisled Gothic church, located in the center of the old town of Oberlingen and on Lake Constance. Its construction began in 1350 in the choir and was completed in 1576. It is distinguished by its tower that dominates the city so that it can be It can be seen from a distance, as it is about 66 meters high. The church also contains valuable works of art, including the high altar, which Jörg Zürn finished sculpting in 1616.