Beautiful Cathedral with impressive stained glass windows. A must see when you visit Luxemburg city. The statue of the Virgin Mary, the patron saint of Luxembourg, is very small, but stems from the 17th century. Don’t forget to visit the crypt.

Notre Dame Cathedral (Cathedrale Notre Dame), 30 Rue du Cure, Luxembourg City 1368, Luxembourg
https://web.cathol.lu/990/paroisses/par-letzebuerg-notre-dame/cathedrale/mittagsmusik/article/mettesmusek-an-der-kathedral-les
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Visited April 2015. You can find my review about Notre Dame Cathedral (Cathedrale Notre Dame) also on TripAdvisor.