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Hidden NY: Secrets of Grand Central Terminal

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NEW YORK (PIX11)– There are all sorts of hidden gems at the iconic Grand Central Terminal.

However, not everyone knows there is a tennis center inside. Yes, you can brush up on your tennis game with lessons from top coaches indoors at the Vanderbuilt Tennis Center.

Formerly the private office and salon of 1920's tycoon, John W. Campbell, The Campbell Apartment has been fully-restored to its original splendor -- and reborn as a chic cocktail lounge.