The Roman Catholic church "Zum Heiligen Kreuz" - "Holy Cross" in Lieler impresses with a Gothic choir tower from the 14th century, accompanied by frescoes from the 16th century.

The roman catholic Holy Church in Lieler is dominated by a 14th century choir wall in Gothic style. The oldest frescoes were painted around 1500. In the years 1953/54 the entire building was renovated and received its today's appearance.