Housed in one of Vienna’s oldest houses, the ‘Harfenhaus’ (Harpist’s House), this clock museum displays a wide range of items ranging from the 15th century to modern day. The 1200 plus exhibits include clocks with illustrated faces, wrist watches, computer clocks and a enormous timepiece that was once mounted in the tower of St. Stephen’s, dated 1699. The impressive variety attracts collectors from all over the world who are spoilt with Empire, Biedermeier, First World War and other hugely valuable and interesting artefacts.