Watchtower of El Berrueco
Spain
The 186th tallest tower in the world
The Watchtower of El Berrueco (Atalaya de El Berrueco), also known as the Watchtower of Torrepedrera (Atalaya de Torrepedrera) is a watchtower of Islamic origin located in El Berrueco, Spain. It is close to the El Altazar dam, atop a 1,030 m (3, 380 ft) hill in the Sierra de Guadarrama. It was declared Bien de Interés Cultural in 1983.
Building data from Wikidata (CC0); heights normalised. Summary from Wikipedia (CC BY-SA).