1. Old City of Bern - Since 1983 This city, renovated in Baroque style in the 18th century, has retained its medieval character. 2. Benedictine Convent of St John, Mustair - Since 1983 Home to an important cycle of wall paintings from the age of Charlemagne 3. Three Castles of Bellinzona - Since 2000 The fortifications of Bellinzona are among the most important examples of medieval military architecture in the Alps. 4. La Chaux-de-Fonds / Le Locle, Watchmaking Town Planning Since 2009 The striking layout and architecture of La Chaux-de-Fonds and Le locle were shaped by the needs of watchmakers and the watch-making indust