What iconic structure in NYC serves as both a transportation hub and a notable architectural site?

Grand Central Terminal stands out as a prime example of an iconic structure in New York City that functions both as a vital transportation hub and a remarkable architectural landmark. Opened in 1913, it is not only one of the busiest railway stations in the United States, handling over 750,000 visitors each day, but it is also celebrated for its stunning Beaux-Arts architecture.

The terminal features a grand concourse adorned with a celestial dome painted with constellations, intricate marble work, and grand staircases, making it a masterpiece of design and engineering. It has been a filming location for numerous movies and remains a beloved part of the NYC skyline.

In contrast, the other structures listed serve different primary functions. The Statue of Liberty is primarily a symbol of freedom and immigration rather than a transportation hub. The Empire State Building, while a significant architectural site, is primarily an office building and tourist attraction. The Brooklyn Bridge is a vital transportation link but does not function as an integrated hub for multiple transportation services like Grand Central Terminal does. Thus, Grand Central Terminal uniquely embodies both the functional and aesthetic qualities outlined in the question.