The famous opalescent clock keeps time at the center of the main concourse in Grand Central Terminal is shown in New York, Wednesday, Jan. 9, 2013. The country's most famous train station and one of its finest examples of Beaux Arts architecture in America turns 100 on Feb. 1. The building's centennial comes 15 years after a triumphant renovation that removed decades of grime and decay. (AP Photo/Kathy Willens)
