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Photo: Jean-noël Lafargue, CC BY 2.5 via Wikimedia Commons
Designed by I.M. Pei of "Louvre Pyramid" fame, this museum showcases Luxembourgish artists and changing international exhibitions. The nonlinear (and rather confusing) building is half the fun, and on a quiet weekday afternoon in the off season you'll pretty much have the place to yourself.
The Grand Duke Jean Museum of Modern Art, abbreviated to Mudam, is a museum of modern art in Luxembourg City, in southern Luxembourg. The museum stands on the site of the old Fort Thüngen, on the southwestern edge of the Kirchberg-plateau, in close proximity to many of the European Union institutions based within the city.
© OpenStreetMap contributors
Museum about the history of the Luxembourg Fortress inside an 18th century fort. Used to be free of charge, now 8€ entrance since 1/1/2026. Well worth a visit.
Classical concerts.
The rock on which the first castle stood, founded in 963 by Sigefroy (Sigfried). It is tied to a number of other remains of the old fortifications. Among others, the famous fortress builder Vauban built much in the city.
A network of underground fortifications, built in the 18th century. The fortifications and environs are recognized as a UNESCO World Heritage Site.