Actually, "it is the largest of all state capitol buildings and is second in total size only to the National Capitol in Washington, D.C. In fact, like several other state Capitol buildings, the Texas Capitol surpasses the National Capitol in height, rising seven feet above its Washington counterpart. "
Actually, I think you will find the Louisiana state capitol is taller than all of them, INCLUDING the National Capitol building. Ole Huey wanted the biggest, and he got it (all thirty-four floors).