Mike Singleton: Inspired by the nearby New York Public Library at Bryant Park, it's a book-lined oasis turned on it's side so that the bookshelves become the floor and ceilings
656 Avenue of the Americas (at W 20th St.), New York, NY
Department Store · Flatiron District · 79 tips and reviews
Kathryn Yu: This 25000-square-foot former eighties nightclub (and, before that, a church) was converted into a shopping emporium in May 2010. Check out the stained glass windows.