If you're craving some mental stimulation, make sure you visit Musee du Marechal Joffre. Whether it's history, culture or traditions, you'll find lots of fascinating displays to keep you entertained here.
When you've finished up at this collection of historical artifacts in Rivesaltes, why not make your way to Le Castillet, Palace of the Kings of Majorca, and St. Jacques Church? They're not far from Musee du Marechal Joffre and also a hit with many travelers.