The Frank Stella's are the best. They are all over the city and they always look amazing. Two of my favorites are the Saatchi and Saatchi lobby (pictured) and the Citi Corp building in Midtown.
Dumbo, which stands for 'Down Under the Manhattan Bridge Overpass,' is a neat neighborhood in Brooklyn that is at an awesome vantage point of Manhattan. There are cool rocks on the shore of Brooklyn Bridge Park that are fun to relax on and sneak alcoholic beverages.
A new artificial island park where all New Yorkers and visitors can experience nature and art in a unique urban oasis on the Hudson River. The park features a lush, seasonal, landscape with rolling hills, winding pathways and dazzling views coupled with programming that includes music, dance, theater, poetry, comedy and arts workshops for all ages.