Located near the United Nations headquarters in Midtown East Manhattan, Ambassador Grill & Lounge is the signature restaurant of the Millennium Hilton New York One UN Plaza and features a daily breakfast buffet, internationally inspired seasonal lunch and dinner menus and an extensive wine and cocktail list. Designed by architect Kevin Roche in the mid-1970s, the restaurant is known for its distinct postmodern style and has been serving athletes, dignitaries and heads of state for more than 40 years. The space was designated a New York City Landmark in 2017.