Leaning Tower of Zaragoza
The Leaning Tower of Zaragoza, sometimes called by its Spanish name, Torre Nueva (New Tower), was a Mudéjar leaning tower located in current Plaza de San Felipe, in Zaragoza (in Aragon, Spain). Over the years, the tower became an icon for the city.
Source: Wikipedia — Leaning Tower of Zaragoza (CC BY-SA 4.0)