besides to being a transit hub, Grand Central Terminal in New York City is also an alive and well piece of history with its own peculiarities and surprises.

1. Not Just a Station, But a Terminal:First off, it's Grand Central Terminal, not Grand Central Station. The difference? A terminal is the endpoint of a line.

2. The Whispering Gallery:Head to the Grand Central's Oyster Bar, and you can experience a unique acoustic phenomenon.

3. Hidden Tennis Court:Yes, you read that correctly. There's a secret tennis court in Grand Central Terminal. Known as the "GCT Tennis Club,"

4. Celestial Ceiling:Look up in the main concourse, and you'll be greeted by a breathtaking sight: a celestial ceiling adorned with a beautiful mural of the zodiac.

5. Tiffany Clock:The iconic clock above the information booth at the center of the main concourse is not just any clock; it's a Tiffany clock

6. Preservation Efforts:Grand Central Terminal narrowly escaped the wrecking ball in the 1970s.

7. The Kissing Room:Before the era of cell phones, there was a designated spot in Grand Central called the "Kissing Room.

8. The Secret Sub-Basement:Below the terminal's sub-basement, there's another hidden level that houses some of the terminal's essential infrastructure.