While it is difficult to take the Phallic School of Architecture with any sense of sobriety, it’s equally difficult to deny the suggestiveness of many of its exemplars. Indeed, the skyscraper—while it redefined the limits of urban real estate by economizing more vertical space than horizontal—can also be said to symbolize man’s eagerness to thrust himself toward the sky with no holds barred.
Here are ten prime examples of such phallic architecture.

and when i get richer I'd visit them all!!! :))
http://arborwiki.org/city/Ypsilanti_Water_Tower