Pavillon Carré de Baudouin is an interesting cultural space open to the public. It hosts numerous exhibitions and conferences throughout the year and is particularly popular for its creative wall of urban art. A vast collection of photographs will give you a glimpse of Parisian lifestyle in the 1900s. Different cultural events will introduce you to varied aspects of the country. If you are looking for free things to do in Paris, then visiting Pavillon Carré de Baudouin should be on top of your list as it does not charge an entry fee.