Do you see that dome sticking out of the top of the General Assembly Building? It was not in the original plans for the Le Corbusier/Harrison complex. According to New York, the companion book for the documentary by Ric Burns: "Late in the design process, a dome was added to the low, swooping roof of the General Assembly...at the suggestion of Senator Warren Austin of Vermont, who argued that the U.S. Congress would never approve funds for a government building without a dome."
I've never liked that dome. When looking through my pictures of the U.N. for this blog, I realized almost all of them were taken to eliminate the dome. I guess I'm drawn more towards the other lines and curves. For example: