Central Park 5
I really liked the contrast between the trees and the buildings behind, all reflected in the city reservoir.
Empire from Rockefeller
A view of the Empire State building from the top of the Rockefeller Center.
This memorial to John Lennon is in Central Park, right across the street from my hotel. His home was somewhere in the area as well, but I didn't have enough time to track it down.
The Rockefeller Center is one of the tallest buildings in Manhattan, and has a huge observation deck on top. I heard that it has the best views of the city.
Statue of Liberty 1
Harbor - Empire State Building
A view of the Empire State building from New York Harbor