Saint Waltrude Collegiate Church is a Catholic church, named in honour of Saint Waltrude of Mons. This old church is a protected monument. The exterior of the church is a fine example of Brabant Gothic architecture, parts are built by Matheus de Layens. However in the 17th century the works stopped and the building was never completely finished. The interior contains important artworks, including sculptures by Jacques du Broeucq and paintings by Peter Paul Rubens, Floris de Vriendt, Theodoor van Thulden, Otto Venius and Michiel Coxie.