Inside a secret basement under Grand Central that was one of the biggest WWII targets: VIDEO

Secret basement under Grand Central Terminal (credit: Business Insider)
Secret basement under Grand Central Terminal (credit: Business Insider)

Hidden 10 stories below Grand Central Terminal, a secret basement can be found. This basement was a prime New York City target during World War II, as it provided electricity for northeast trains dedicated to troop and equipment transport. The location remains confidential today, and continues to provide electricity to Metro-North trains.

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