The free Walsers settled in the Calfeisen Valley as early as the 14th Century. The church of St. Martin was first mentioned in the annals of 1432.
The Roman Mosaics of Orbe consist of eight magnificent mosaic floors that decorated a Gallic-Roman estate dating back to the year 170. The mosaics give the visitor an inkling of the enormous wealth of the lord of the manor and gentleman farmer, whose villa had more than 100 rooms.
This medieval castle (11th to 14th century) occupying a commanding position over Lake Neuchâtel is home to an extraordinary collection of weapons and armour, as well as models of the castle and of the celebrated Battle of Grandson (1476), in which Swiss soldiers defeated the army of Charles the Bold, Duke of Burgundy.