Free museums in Upper Austria

Mauthausen-Gusen was a collection of Nazi concentration camps located around the small Austrian town of Mauthausen, approximately 20 km east of Linz. The main camp was established shortly after Austria's Anschluss and evolved into one of the most notorious concentration camps. The camp was situated near a granite quarry that supplied a large portion of the stone used for paving the streets of Vienna.

A museum dedicated to the Pöstlingbergbahn, one of the world's steepest railways, located in its former terminus.

Welser Tiergarten, located in the city of Wels, holds the distinction of being the oldest zoo in Upper Austria. This park and zoo combination offers a unique blend of natural beauty and wildlife, making it a popular destination for both locals and tourists alike.

The Linz Museum for the History of Dentistry is a unique institution that showcases a variety of objects related to the history of dentistry and dental technology. Visitors can explore a wide range of exhibits, from ancient dental tools to modern dental appliances, providing a comprehensive overview of the evolution of dental care over the centuries.