Sumug-gala
Azerbaijan
The 186th tallest tower in the world
Sumug-gala (Azerbaijani: Sumuq-Qala) is a defence castle in the Bucag neighborhood of İlisu village of Gakh region. It was built in the 17th-18th century.
Building data from Wikidata (CC0); heights normalised. Summary from Wikipedia (CC BY-SA).