05/17/2011 03:55 pm ET | Updated Sep 19, 2011

Secrets Of The New York Public Library As It Turns 100

This year, the flagship building of the New York Public Library celebrates its centennial.
The iconic marble building towering over Fifth Avenue took 12 years to build. And now, the walls of the facade -- 12 inches thick -- are newly gleaming thanks to a recently completed, $50-million restoration.

In this video by, Raphael Pallais, chef concierge of The Plaza hotel, shows you some of the library's little secrets -- from the fabled stacks that few visitors ever get to see to the collection of objects from literary giants like Charles Dickens.

If you're in New York this weekend, check out the library's Centennial Festival, which includes dozens of free events: music, games, lectures and more. Staff will also be giving tours. In the meantime, here's a taste of what you might see.