Old city of Montpellier. Guided tours with suspicion Montpellier keeps hidden treasures of incalculable value. To discover all the Tourist Office offers an assortment of tours, from the visit of the historical (Wednesdays, Saturdays and Sundays, and every day in summer) to different themed tours that allow you to discover the city from new perspectives. Among these issues, the most unusual are the Faculty of Medicine, the mansions, the luthiers or wine tours.