Do you know what lies deep below New York's Grand Central Terminal? Almost no one who passes through every day has any idea what is underneath their feet. Now let's get inside Grand Central's secret sub-basement, which nazis nearly destroyed. This is the story of how Hitler failed during WWII.
THE MOST SECRET BASEMENT
WANT TO LEARN MORE? WATCH THIS FUN VIDEO BY THE GOTHAMIST
MORE TOP SECRETS
Well, you know, once we told them they are not secrets anymore, let alone top secrets. But you got the spirit.