If you ever want to book Tours, Sightseeing & Things to Do in New York City you should do this by following this link:
There you will get discounts, vouchers, special rates for many pretty nice attractions in New York City!
You can go to the Niagara Falls, Empire State Building, Statue of Liberty, 9/11 memorial, helicopter tours, sailing tours and many others.
And almost everything with a reasonable discount!!!
Circle Line Cruise (approx. 2.5 hours) around Manhattan is much cheaper if you book it here: Circle Line Manhattan NYC with a huge discount
Save a lot on the New York City Pass: New York City Pass much cheaper
Go to the Empire State Building, Metropolitan Museum of Art and Statue of Liberty Cruise with one Supersaver Ticket: Viator Supersaver ticket
Cheaper Empire State Building tickets: Get up!