The church of St. Olaf was built in the year 1782 and is located in the place of an old chapel built in 1663. The shrine of Yläne is a combination of a cruciform church and a basilica, and is seated for 600 people. It was designed by Mikael Piimänen. The organ of the church is one of the oldest in Finland. The church site, cemetery and near vicarage are defined as national built herigate by National Board of Antiques.
Olargues is a good example of a French medieval town and rated as one of the most beautiful villages in France. It was occupied by the Romans, the Vandals and the Visigoths. At the end of the 11th century the Jaur valley came under the authority of the Château of the Viscount of Minerve. The following centuries saw a succession of wars and epidemics, and it was not until the 18th century that Olargues became re-established. This was due to the prosperity of local agriculture and artisanal industry.
The Pont du Diable, 'Devil's Bridge', is said to date back to 1202 and is reputed to be the scene of transactions between the people of Olargues and the devil. The old village is clustered around the belltower, which was formerly the main tower of the castle (Romanesque construction). The old shops have marble frontages and overhanging upper storeys. A museum of popular traditions and art is to be found in the stairs of the Commanderie.