Milestone A Roman milestone engraved in the name of the Emperor Constantine. This milestone stands against the chancel of the parish church and indicates the distance to the centre of Rome. Opening hours Freely available Suggestions Notre-Dame de la Visitation Parish church With its stylistic homogeneity and architectural sobriety, this is one of the best examples of the baroque period in Valais. François Fine Mill This mill, which is still working, enables visitors to understand how bread is produced. Semblanet's Mill This historic mill is still working. A single waterwheel activates about one hundred different mechanisms.