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Grand Central Centennial main concourse Untapped New York

In honor of the 100th anniversary of Grand Central Terminal, Untapped Cities brought you three installments of “The Secrets of Grand Central.” Here’s a recap of the top 10 facts you didn’t know about Grand Central.

10. No one knows if the “whispering gallery” was built to whisper on purpose

Nestled between the Main Concourse and Vanderbilt Hall is an acoustical architectural anomaly: a whispering gallery. Here, sound is thrown clear across the 2,000 sq-foot chamber, “telegraphing” across the surface of the vault and landing in faraway corners. The real secret of the Whispering Gallery is that no one knows whether it was constructed with the intention of producing the acoustic effect that has made it so famous.

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9 Comments

  1. Steve says:

    Here are other secrets of Grand Central to enjoy..
    http://www.amny.com/the-secrets-of-grand-central-terminal-1.7037186

  2. High up on the ceiling is a small hole, which no one would ever notice or think to question. In fact, however, it is there because of a NASA promotional program in the late 1950s, when the government was trying to raise awareness and support for America’s space program, which brought a rocket to the concourse. However, the measurements of the rocket turned out to be wrong, and it was six inches too tall for the the ceiling. So this six-inch hole was punched in the ceiling to accommodate the rocket.

  3. Clare Jones says:

    Can you add a comment about the iron mice crawling up the ropes on the outside of the station. They’re hard to find but very interesting.

  4. Caroline says:

    How is it that Cornelius Vanderbilt made such a claim about the backwards constellations when the constellation piece was not completed until 1913 and Cornelius Vanderbilt died in 1877?

    • michelle young says:

      Hi Caroline, you’re right. It was someone in the Vanderbilt family and we’ve updated the article.

  5. Mauricio Rousselon says:

    Just came back from a week long vacation at NYC and we missed all of this! Next time, GCS will see us exploring it.

  6. slowmodem says:

    I don’t see where the pool is

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