Everybody knows the Empire State Building. Right? But did you know there's an old bank vault in the basement? Or a extra observation floor at the tippy top one you can't even buy a ticket to see? Observatory tour guide Siobhan MacShane, with decades of experience at the iconic Manhattan building, shares some behindthescenes secrets of the Empire State Building.

"NYC POV" is a series highlighting iconic places in NYC and the people who help make them run.

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