Last year, Lesley Stahl gave viewers an in-depth look at the, as it was being constructed seven stories underground at ground zero. Stahl says the museum will bring visitors right back to the moment they first learned about the attack on 9/11.
"I think any American that walks into this space is going to feel the emotion," she told 60 Minutes Overtime. "It's church-like. I felt the same feelings you feel in a cathedral. There's this soaring space, you know it's a spiritual, hallowed ground that you're walking on, and you just feel it."
Editor's Note: The video in the above player originally aired April 21, 2013.