Nuraghe Santu Antine
Italy
The 186th tallest tower in the world
Santu Antine ("Saint Constantine"), also known as Sa domo de su re ("The house of the king" in the Sardinian language) is a nuraghe (ancient megalithic edifice built by the Nuragic Civilization) in Torralba, one of the largest in Sardinia. It is located in the centre of the Cabu Abbas plain.
Building data from Wikidata (CC0); heights normalised. Summary from Wikipedia (CC BY-SA).