The untold secrets of Grand Central Terminal

From love letters hidden on the famous ceiling to a lost movie theatre, there's a lot you may not know about.

New York

AN average of 750,000 people pass through New York's iconic Grand Central Terminal each day-but most of the 49-acre, 1913 Beaux Arts building has always remained off-limits to the general public. With the help of Cornelius Vanderbilt II's great-great-grand-niece, Consuelo Vanderbilt Costin, Grand Central Terminal director George Monasterio, and Grand Central's senior architect Mark Saulnier, Bloomberg got an inside look at the spaces (and secrets) you never knew to ask about.

Since most people lived and worked downtown from Grand Central Terminal when the building first opened more than 100 years ago, the monumental clock installed in the building's south-facing façade in 1913 was designed...

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