Sure, the city has a host of Art Deco and other architectural gems, along with possibly Europe's prettiest main square, but it is its comic strip murals that provide a unique and colourful addition to the city.
Celebrating the distinctive drawing style of Belgian comic books, the murals cover walls across the city. As a friend who lives in Belgium informed me, comic books aren't just for kids in this country. Perhaps that's why they have pride of place in Brussels.
Without a map of their locations it's easy to walk straight past them as they are often tucked around building corners.
But for those who make the effort, Tintin, Asterix and a host of other vibrant characters are waiting to be discovered.
It says something about a city that comic book art can complement the side of both modern and historic buildings.
And for those who have always wanted to live in a cartoon world, I suspect this is the closest you're going to get.
Here's a collection of the ones I spotted.