The Saint Paul's church was founded in the 1oth century, it was promoted to cathedral in the 19th century to replace the demolished Saint-Lambert Cathedral. The interior is decorated with beautiful frescoes on the ceiling, colourful stained glass and a marble sculpture of 'Christ in his grave' made by Delcour in 1696.The treasury room of the cathedral contains many silver and gold items with a reliquary bust of Saint Lambert and the reliquary of Charles the Bold as highlights. The admission fee for the treasury room is 5 € for adults, 3 € for seniors and students.