Using a formula that relies mostly on the floor count of a cities skyscrapers, skycrapers.com (AKA Emporis) ranks the cities of the world by the impressiveness of their skylines. Fun, utterly useless and irrelevant (and also debatable) trivia.
(Pittsburgh weighs in at #60, Philly at #35, and Boston at #43 [nestled in between Montréal and Calgary].)