Very convenient way to pre-book all your sightseeing in New York: the accompanying book gives you guidance on how to reclaim your ticket, as sometimes you don't go through the general admissions lines you use the group booking desks.
I saw the Museum of Modern Art, the Metropolitan Museum of Art, the Top of the Rock Rockefeller Center tour, the Guggenheim museum and the Ripley's Believe it or not museum.
Recommended if you don't want the hassle of waiting in lines, or want a bit of guidance on where to see things in NY!
The explorer pass was not as widely used as the city pass based on obserations of other tourists during ticket queues but it sure came in handy when lining up for tickets. At some ticket booths, it allows quicker ticket collections.
Misleading or too limited description of the Statue of Liberty tour. No access to the statue. Island only. 9/11 is only memorial, not the museum. Trouble getting into Top of the Rock and Natural History Museum. Will not use this system again.