Brussels was the quintessentially European city that had lots of modern stuff that a large capitol city would have, but it still has maintained all of its history. Being the European capitol, it was a little more diverse than Amsterdam. Lots of great street scenes here and lots of nice restaurants too. Everyone must go out and eat everyday. you can't sling a dead cat around here without hitting an outdoor cafe.
The oldest shopping "Galleria" in Europe. Pretty fancy place.
The architecture here is just amazing. There's just no way that you can build stuff like this today. Even if you had the skilled workmen, you wouldn't have the money.