The extraordinary network of underground galleries is the city's prime attraction. Visitors plunge into the dazzling history of the inevitable casemates.

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1. Petrusse Casemates ... The picture here is of the view from the casemates, a group of tunnels with "views" for the cannons....

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The Top 20 Caves in Luxemburg · Hohllay Cave · Labyrinth of Rocks (Felsenlabyrinth) Mullerthal · Robbers' Cave Berdorf · L'Enfer / Hölle · Breechkaul Amphitheater.

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The Bock Casemates, a subterranean defence system made up of kilometres of tunnels, is today one of the most important visitor sites in Luxembourg.

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Caverns & Caves in Luxembourg · 1. Petrusse Casemates · 2. Amphitheater Breechkaul.

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The casemates are a fascinating series of tunnels running for several kilometres beneath the old town district of Luxembourg City, even extending as far as ...

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Top 5: Secret gems in Luxembourg · The Saint Quirin spring and chapel · D'Schluechthaus · The Spanish turret · The Péiter Onrou cave · The maze · For ...

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Discover 28 hidden attractions, cool sights, and unusual things to do in Luxembourg from Esch-sur-Sûre Castle to Hämmelsmarsch Fountain.

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Explore the enchanting Hohllay Cave in Luxembourg's Mullerthal region, a breathtaking natural wonder with stunning rock formations and lush surroundings.

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