The people at the reception were unpleasant, I did not feel welcomed at all. No smile, if you don't fill in the form correctly, you get packed. $1 is charged to the credit card for administrative or similar charges. We highly recommend a $5 insurance for a 2h visit. Fortunately, the (Joe) Central Park tour guide helps us to pick up the tab, with his explanations, his enthusiasm and the fact that he does not look on time and allows us to take our time.