Sfax is a busy commercial and manufacturing center and the second wealthiest city after Tunis. Visit its charming and authentic Medina, and its maze of little streets. The Kasbah is behind a ribat of which only the mosque is left. It hosts an excellent small architectural museum. Sfax is also known for its regional Museum for Popular Arts & Traditions established in Dar Jallouli, a typical 16th-century bourgeois house.