That's when he found the secret basement below the basement ... There were holes through the roof where the elevator motors ...

This wasn’t just any cave… It had a 1000-foot elevator system inside! As we explored deeper, we uncovered tunnels, strange structures, and a past that left us with more questions than answers.

An curved arrow pointing right. 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 ...