Castle of Amer
Spain
The 186th tallest tower in the world
The Castle of la Punta de Amer (Castillo de la Punta de Amer) is a 17th century fortification located in Sant Lorenzo des Cardessar on the island of Mallorca. The sandstone structure was built in the late 17th century, and is now a protected site.
Building data from Wikidata (CC0); heights normalised. Summary from Wikipedia (CC BY-SA).