There are quite a few leaning towers around the world. Check the link for images and descriptions
http://weburbanist.com/2009/10/18/tilted-in-your-favor-13-more-famous-leaning-towers/
Just as there’s more to food than pizza, there’s more to leaning towers than Pisa. These 13 slanted spires show that staying on the straight & narrow isn’t all it’s cracked up to be; though if gravity has anything to say about it, cracked up is destined to be their ultimate fate.