Back in 2007, the History Channel produced a great series called Cities of the Underground in which the host visited secret places found underneath cities around the world. In this 44 minute episode from the series, watch as host Eric Geller explores some of the secret areas underneath New York City.
New York City's underground harbors secrets and surprises befitting the most important city on earth. Eric shares these secrets in tours under Grand Central Terminal, the Empire State Building, the World Trade Center and New York's original aqueduct.
via History Channel
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