As MUCH as I love Grand Central Terminal (current) here is an equally great proposal for the same site for McKim Mead and White, but I'm fine with what got built. The McKim Mead and White proposal actually looks more like a train station than the current one, but I love both, and what got built was right, but is the shorter of the two great designs. Either this design on the bottom or the current building would inevitably be celebrating 100 years this month.