The best place to see a dramatic sunset is right by Valentino Pier in my neighborhood of Red Hook, Brooklyn. This was right after a storm. It's wild and brilliant and peaceful all at once.
The Franklin D. Roosevelt Four Freedoms Park is a four-acre memorial to Franklin D. Roosevelt designed by Louis Kahn that celebrates the Four Freedoms Roosevelt articulated in his 1941 State of the Union address.
Mcgolrick Park at midnight in the snow. Any early morning with all the bums and drunks passed out on Nassau Avenue. NYC still looks best between 3am and 6am, just before the light comes in to shine on all its flaws.