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Relics from the coal and steel era in the region. The former steelworks in Uckange can be visited.

🧱 **Tour aux Puces** – Thionville's Oldest Building** The **Tour aux Puces** ("Powder Tower") is a medieval fortified tower dating back to the 11th century – and the oldest surviving building in the city. Originally part of a castle complex, it has served over time as a defense tower, a prison, and now houses a **City Museum** with an archaeological collection. 🏺 Inside, you'll find exhibits from Roman, medieval, and early modern periods – from ceramics to weapons to religious objects. The tower probably got its name from a mistranslation from German to French (“Powder Tower” became “Powder Tower”). **Tip:** The tower is cool and quiet – perfect on hot days. From the top, you have a small but excellent view over the old town. Combine it with the Belfry and the Église Saint-Maximin for a historical tour.

This emblematic 14-sided tower stands on a 2.5 to 3 m high circular foundation, in which many authors have suggested the remains of a Carolingian chapel. The tower is said to have actually been the keep of a castle built by the Counts of Luxembourg in the 16th century, corresponding to the size of the present castle courtyard. It served successively as a residence and last refuge in the event of an attack, as an armory, a prison, and finally, in 1905, as a museum.

The road is superbly paved and therefore a great ride. But be careful, some of the bends are tight and blind!

Ideal for cooling off on hot days 🥵. But be careful, not drinking water ‼️

The model locks, some of which are quite old, date from the development of the river landscapes for the purpose of economic networking. Thionville, as an industrial district, was important in and for Lorraine.

The lock bridge is only one of two bridges. The other is in a worse condition in comparison. Both had the function of controlling the frequent floods of the Moselle.

The Saarlouis Gate was part of the fortifications of Thionville and guarded the route towards Saarlouis, where the next Vauban fortress was located. At times the gate was even used as a customs house.