We just took a day-trip to the Grand Duchy of Luxembourg with my newest coworker Zhiyi. On the drive there, we gained almost 500 meters elevation and got to see real snow! The country is tiny and has less than 600,000 people. Fortunately, one of the national languages is German (the others being French and Luxembourgish) so Hendrik came in very handy.
Luxembourg City is perhaps the most confusing city to navigate that I have ever visited. Not only does it have winding cobblestones streets, it also has a river that oxbow bends several times and sheer cliffs with buildings at the top and bottom. This means that one cannot navigate using streets or the river for orientation and nothing connects where one thinks it should because there is either a cliff or the river in the way. Additionally we had a nice layer of fog that prevented us from using the sun or landmarks to navigate. It is the only city I have been to that has a public elevator to get from the part of the city by the river to the party of the city on the cliff. Essentially, waking through Luxembourg City is a crash-course in thinking in 3-D!
Despite a lot of aimless wandering, the city felt like it was straight out of a fairytale. Luxembourg has the second highest GDP per capita in the world so you can imagine that everything was beautiful and clean. The palace and cathedral had gold gilded decorations. We even got to eat chocolate cake which somehow is not really a thing in the Netherlands.