People tend to check in during these times:
11 Madison welcomes Yelp!
Better known to architecture fans as the Metropolitan Life North Building designed by Harvey Wiley Corbett. Foursquare updated the nomenclature to "11 Madison Avenue" because of the swanky restaurant.
Bring your appetite and very good conversational friends.
Cubistic, Harvey Wiley Corbett-designed 32-story base for a proposed 100-story tower that was never built; connected by aerial bridge to 1893 tower modeled on Venetian Campanile. Somehow it all works.
My Favorite restaurant in NYC- always something different, always excellent....