Blasius Chapel in Bergweiler was first mentioned in a document among the possessions of Tholey Monastery in 1246. The main day of pilgrimage was the annual St. Mark’s day, on which a procession took place from Tholey to the chapel followed by a market. Inside, the chapel has three baroque altars in white, blue and gold. The figure of Saint Blasius is depicted on the high altar, with Saint Mark and Saint Wendelin depicted on the side altars and above them the coat of arms of Tholey Abbey and the abbot Dr. Petrus Bonne.
References:The first written record of church in Danmark locality date back to the year 1291. Close to the church are several stones with a Christian text and cross inscribed. The oldest parts of the present red-brick church are from the 1300s. In the late 1400s the church was enlarged to the appearance it has today. The church has been modified both internally and externally several times, among other things after the fires in 1699 and 1889. There are lot of well-preserved mural paintings in the walls.