Many years ago it was believed that the release of carbon dioxide was a sign of extinct volcanism. But this is not the case: the molten rock inside the earth (magma) contains, in addition to mineral components, gases such as carbon dioxide, water vapor, sulfur dioxide, fluorine and chlorine. Depending on how warm it is and how much pressure is created, they escape through cracks in the earth's crust. The source of carbon dioxide in the Gelenberg Forest is a Mofette.

The Marian column, the Madonna vom Eichelsberg: the memorial with its many thank-you tablets is always a popular place of worship. A procession takes place every year from the parish church to the Marian column on a maison Sunday.

The vast majority of the guided tours offered by Stolberg-Touristik start at the Galminus Fountain - and for good reason, as this fountain sculpture is firstly directly opposite our Stolberg-Touristik centre and secondly in the immediate vicinity of the charming old town.

Holzstraße is home to several heritage-protected buildings. Although the air raid on 16 November 1944 destroyed huge areas of the town centre, some houses on Holzstraße managed to survive this attack virtually unscathed.

A cemetery located next to the Finkenberg Church, built in 1615 and rebuilt by Tillmann Roland in 1725, with impressive, coat-of-arms-decorated gravestones of the copper master families.