Some industrious photographer went out and found arrangements of buildings, and took photographs to simulate the alphabet. This site gives credit to a Jack Turner, and this site, while I can’t exactly translate the language, seems to credit a Lisa Rienermann.
In any case, they’re really interesting and you should take a closer look. Typography is everywhere, and letterforms can be made from nearly anything 
It’s by Lisa Rienermann.
Check my comments on the first link.
Thanks Jerry!