1) Any building or structure built to serve as or that ends up serving as a symbol of the size of a nation's communal penis.
2) Any American Military installations built after 1952.
The Pentegon is the world's Superiority-complexiest superiority-complex.
Unfoundedly Sumg Frenchman: "These stupid Americans have nothing but a massive superiority complex. Haah haah (complete with standard French accent/phlegm)"