Although the UN Headquarters can be visited on tours, one of the best secrets is the Delegates Dining Room. Despite what its name suggests, the restaurant is open to the public with a reservation. Read more.
Come during happy hour( sat& sun for lunch!). Great services. Beef tongue is amazing!!! And make sure to order green tea crepe for desert!!
Peking duck (thin pancakes, meaty duck, crispy skin, just the right amount of hoisin sauce). Dandan noodles (spicy and wonderful). Beef with scallions and doubled cooked pork -- all amazing.