The Fortress of Lucilinburhugh, Luxembourg
Favorite thing: The fortress gate was built in 1735. Interestingly, when we entered Luxembourg by car and tried to find the youth hostel, we took a wrong turn and ended up in a tunnel. I now realise that the tunnel went all the way under the ancient quarters of the fortress!
Favorite thing: The thick fortress walls still contain over 20 kms of walkable casemats which you can visit. You can see the entry when walking on the Montée de Clausen. If you're staying in the city hostel, you'll pass all this every day!
This whole area is known as 'Grund' (that must translate to Ground').
The long building (under the cranes) in the background used to be a hospital with 3 meter thick walls to protect against cannonball fire. It is nowadays the national archive.
Favorite thing: Explore the casemates. Luxembourg was once called the Gibraltar of the North, and by exploring these fortifications beneath the city, you begin to see why. Most of the immense citadel was destroyed as a prerequisite for Luxembourgois independence in 1815. But what's remaining is still certainly formidable and fun to explore, as Marguerite and Brigitta demonstrate.
Favorite thing: This must be the famous Count Sigefroi that first started building the fortress in 963. It was only first (and last) captured in 1443!
Favorite thing: Imagine the cannon fire from these casemats. Below is a valley, an enemy could hardly approach unseen from this side.
Favorite thing: The wall on which I am standing used to be 7 meters higher than it is now. No wonder the fortress was never taken. Look down and see the car below, then you see how high it already is.
Favorite thing: The photos of Luxembourg as a fortress city merits some attention of its own. So I put them all in the General Tips. Here you see the city exists well over a 1000 years!