If you're traveling by bus or train, chances are you'll be passing through Stade de la Plaine. This terminal is a major transportation hub for the area and an attraction in its own right.
To explore this transportation hub, you'll need to find your way to 15th Arrondissement. You'll find loads of other things to see and do in the area, including Eiffel Tower, Louvre Museum, and Arc de Triomphe.