Sant Ferran Castle
Spain
The 186th tallest tower in the world
The Sant Ferran Castle (Catalan: Castell de Sant Ferran) is situated on a hill in Figueres, Catalonia at the end of Pujada del Castell. It is a large military fortress built in the eighteenth century under the orders of several military engineers, including Pedro Martín Cermeño and Juan Martín Cermeño. It is the largest man-made monument in Catalonia.
Building data from Wikidata (CC0); heights normalised. Summary from Wikipedia (CC BY-SA).