Offering a variety of landscapes, including plains, plateaux, deep valleys, streams, waterfalls, lakes and wooded mountains, the Doubs also possesses a beautiful architectural heritage, as seen in the town of Besançon and its famous citadel, the Royal Saltworks at Arc-et-Senans, the imposing castle of Joux, Montbéliard (a designated City of Art and History), and the charming town of Ornans. The Doubs also boasts famous specialities, like Comté cheese and Morteau and Montbéliard sausages.