Situated in a small hamlet, Holler Church is one of the most impressive in northern Luxembourg. This large three aisled church dates from the 12th Century, and is known for its elegant symmetry. Inside are high Gothic arches, palm vaulting and an intricately carved high altar. There are frescoes on the arches and walls, some dating from the 14th Century. The church is a classified historical monument. In the village of Holler, some of the houses are hundreds of years old.