New York City, New York
The trip was great an we had enough time to visit the sights. Matt the tour guide did a good job and also everyone in the group followed the schedule so we didn't have to spend time waiting for someone.
The starting point at Grand Central was a bit confusing because there were several tours departing at the same time. I suggest that the tour guides should hold some kind of a sign so that it would be easier to find the right bus.