Collection of heritage buildings from the industrial revolution with the installations of forges or smithies and coal mining equipment.

What remains of the ancient forges are the chimneys with their detailed tops (listed historical monuments), the lake, the Arcades (former administrative offices ) and a religious and civil heritage: the church of Notre Dame of The Gua and its metallic roof structure (listed an historical monument ), Jules Ferry school, a palatial school building (listed an historical monument ).

A memorial inaugurated in 2009 pays homage to the victims of the 1869 shooting during strikes.

Guided visit by the Tourism Office all the year for group and from March to November for individuals.