Perfect Sunday in Manhattan

 
Flowers blossom along the High Line in Manhattan. (Paul Hodgins)The High Line in Manhattan makes a leisurely stroll that combines city views with verdant landscaping. (Paul Hodgins)A paved path awaits at the High Line in Manhattan. (Paul Hodgins)Appetizers atTri Colore include a hot seafood dish called the Classico with plum shrimp, stuffed mushrooms, clams casino and clams topped with pancetta. (Anne Valdespino)Bar 54 at the Starwood hotel gives rooftop imbibers a memorable view of the M