THE HEFT VIBRANT ARCHITECTURAL JEWEL On the historical path of the ore… ... to the Heft district for smelting – on the old ore railroad – you can reach the monumental ironworks with its two characteristic charcoal blast furnaces Johann-Ernst and Pulcheria on foot or by bike - today they can be visited in the open-air museum. Harrer Museum The Heft is one of the largest ironworks in Europe from the 19th century. Harrer Museum Moreover, since the erection of the modern glass-steel structure by star architect Günther Domenig, it has become an international architectural jewel. Harrer Museum EXHIBITION GÜNTHER DOMENIG : DIMENSIONAL HEFT Read more... ARCHITECTURE HIGHLIGHT ABOVE HÜTTENBERG Read more... Grubenhunt und Ofensau | Landesausstellung Kärnten - Hüttenberg