The dome is the "king of all roofs."  

Did you know that "Bucky Balls" (C60 molecules) were named after the architect R. Buckminster Fuller?  Bucky (interesting name, by the way) designed the geodesic dome, which turned out to resemble its molecular C60 counterpart.  I think it would have been a better story if he had discovered C60 molecules, and then designed molecule-inspired domes.  But, then again, that would change the course of history...