It depends on what you're looking for...
About culture Paris is the main spot to visit, it takes long to see everything... Tour Effeil...
About powersports, US are the best spot about that so you would be desapointed in France, but there is the 24hrs Endurance race of Le Mans in June, 2 Motorbikes Endurance races called "Le Mans" and "Bol d'Or" soon this summer...