Waldorf astoria / china town / woodbury common NEW YORK NEW YORK !! HELP?

I AM STAYING AT THE WALDORF ASTORIA. I CANNOT GET TO GRIPS WITH NEW YORK SUBWAY, MUST BE HAVING A BLONDE MOMENT !! CAN ANYONE TELL ME THE QUICKEST WAY FROM THE HOTEL TO WOODBURY COMMON, CHINA TOWN (C ST) AND THE RUSSIAN TEAROOM. SHOULD I GET A TAXI, WALK OR GET A SUBWAY? THE CLOSEST SUBWAY TO THE HOTEL IS THE NUMBER 6 LINE, LOCATED ON 51ST AND LEXINGTON. HOPE U CAN HELP !! MANY THANKS