Rue castle was built originally in the 12th century (the keep with three storeys), but the other buildings were destroyed in the 1230s. Peter II of Savoy rebuilt the castle between 1260-1268, but it was again destroyed in 1476 in the Burgundian Wars. The current residence dates from 1619-1763.
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.