Bismarck Tower, Janówek
Janówek, Poland
The Bismarck Tower in Janówek, Poland, is a historical observation tower and cultural heritage site on top of the Jańska Góra hill, 253 m above sea level. It was erected in 1869 as the world's first Bismarck tower. The tower itself is 23 m in height.
Monument data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).