Galacha
Azerbaijan
The 186th tallest tower in the world
Galacha (Azerbaijani: Qalaça) or Shamil-Gala (Azerbaijani: Şamil-Qala) is a round tower located near the village of İlisu in the Gakh region of Azerbaijan. The tower was built in the beginning of the 19th century during the Russian troops advancing into the mountains. According to the order of the Cabinet of Ministers of the Republic of Azerbaijan on the historical and cultural monument, it is considered an architectural monument of local importance.
Building data from Wikidata (CC0); heights normalised. Summary from Wikipedia (CC BY-SA).