Stair tower, State Government Building, Graz (Treppenturm)
The double stairway housed in one of the provincial government (Landesregierung) buildings is all that remains of the castle built by emperors Friedrich III and Maximilian I. From the first floor, visitors can see the clever way in which it winds around twin axes. This is a real technical feat by the people who designed and built it in 1499.
Address:Stadtpark, 8010 Graz
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