Whether you cross the city every day or are here on a short visit, Brussels does not give up its secrets lightly. The streets are a stunning mix of various styles (Art Nouveau, Art Deco, neoclassicism or contemporary architecture) from different eras; a treasure trove for lovers of history and architecture! And what lurks behind the facades? Fortunately, there are festivals, exhibitions, lectures, tours and performances (almost) year-round to decipher our capital's architectural heritage. Here's an overview of the most important events: