Bismarck Tower
Kallstadt, Germany
The Bismarck Tower (Bismarckturm) on the 497-metre-high Peterskopf in the Haardt mountains on the eastern edge of the Palatine Forest stands within an exclave of the municipality of Kallstadt in the German state of Rhineland-Palatinate.
Monument data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).