Most beautiful buildings in the world

[Coca Fola]

I'll start us off in typically unbiased fashion with the Avaz Twist Tower,

http://upload.wikimedia.org/wikipedia/commons/c/cd/Sarajevo_Twist_Tower.jpg

and it's not really a building but the Stari Most too.
[url width=570 height=381]http://static.atlasobscura.netdna-cdn.com/images/place/stari-most.4287.large_slideshow.jpg[/url]