5. Trump Park Avenue, 502 Park Ave.

Delmonico Hotel 

In 2002, the famous Delmonico hotel was converted into Trump Park Avenue, a 35-story residential complex, featuring 120 luxury condominiums. The range of apartments include one bedrooms, to full-floor suites, and a penthouse. Since it was built it 1929, it has also housed the Viceroy Hotel (later Cromwell Arms) and is identifiable by its pre-war architecture.