Tower-palace of Guevara
Spain
The 186th tallest tower in the world
The Tower-palace of Guevara (Torre-palacio de Guevara, Basque: Gebaratarren dorretxea) is a tower-palace located in Guevara, Álava, Basque Country, Spain. It was destroyed by the forces of Martín Zurbano during the First Carlist War. It was partially restored in 1964, and in 1984 it was declared Bien de Interés Cultural.
Building data from Wikidata (CC0); heights normalised. Summary from Wikipedia (CC BY-SA).