Secrets of America's Favorite Places

Grand Central Terminal (1x6)

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No train station has more tracks and platforms than New York City’s Grand Central Terminal. Get rare access behind Grand Central’s 14-foot in diameter clock – with a face that is the world’s largest piece of Tiffany glass. Why did Nazi spies try to gain access to Grand Central’s basement during World War II? And is it true there’s a secret train track for use by U.S. Presidents only?