The Felberturm, which was built in the first half of the 12th century, served the noble lords of Velm as a residential and defense tower. In 1415 the tower fell to the Archbishops of Salzburg and was converted into a "Diensttroadkasten" in 1470. In 1812 the building, which is characterized by its herringbone masonry, was auctioned off by the Bavarian government, came into private ownership and finally passed into municipal ownership in 1936. In 1963, the Felberturm was restored to house a local history museum.
In 2019-2021, the Felberturm Museum was redesigned and generally renovated. Since July 7, 2021, the newly designed museum has once again opened its doors to visitors.
On the second floor of the Felberturm is the exhibition on the topic of "pack trading". Here, the various pack routes through the Tauern Mountains and the fateful stories of the pack traders are presented vividly and according to the most modern museum educational aspects. In addition to the basic equipment of the pack traders, a special weather station is also exhibited, which has surprises in store for the visitors.
On the second floor, the history and development of Mittersill from the ban market to the elevation of the town is explained. Special attention is paid to the jurisdiction and the relationship of the population to the authorities. The unique witch trial of Mittersill is historically reappraised and presented on film. The special features of the market town of Mittersill as an early center of the iron and leather trade are also discussed. Today Mittersill is also known for its Lebzelterei and its high density of hospitable inns and hostels.
Im angrenzenden Bauernhaus wird das Alltagsleben der Bauern, die oftmals auch Säumer waren, dargestellt. Das ehemalige Schulgebäude aus dem Jahr 1609 dient als Vermittlungsraum und Spielwerkstätte.