Rockefeller Center is the Midtown Manhattan is home to the Top of the Rock Observation Deck listed among New York's most popular tourist attractions. It has three observation decks—on 67th, 69th, and top 70th floors. From the 850 feet (260 m) height it reveals some of the Big Apple's best views. In the sweeping 360-degree panorama you'll be able to observe downtown Manhattan in detail, see Empire State Building, Central Park, One World Trade Center, spot the Statue of Liberty and lots of other iconic landmarks.
Top of the Rock Observation Deck is open to visitors daily from 8 am till midnight. The tickets aren't sold after 11 pm and the last elevator ascends at 11:55 pm. Sunset time is the most stunning, and the most popular as well, so you'll see the heaviest crowds. Thus, you better arrive earlier to occupy some good shooting position.
The place is popular with tourists all year round. In terms of weather, the least comfortable season is winter. Nevertheless, Christmas time is one of the most crowded at the Top of the Rock. To avoid long lines, buy tickets online. Also, try to come early in the morning, the best time is before 10:30 am.