Franz Josef, New Zealand
We spent 3 weeks traveling around both of NZ Islands and this was one best experiences we had. We Did both Fox and Franz Josef glaciers.
We went as a family of 4 with two boys aged 9 and 10 who just loved the glaciers and the excitement of going on a helicopter. The guide at Franz Josef was Cliff who is very experienced and great with the boys.
We did the Fox glacier the day before however Franz Josef was much better, because of the natural ice formations had a lot more going on. Plus our guide was happy to take us to any of the ice formations that we wanted to look at so long as it was within the safe zone. Whilst at Fox they had a path marked out with stones and you were only able to see what they had planned. Many of the ice formations on Fox was generated by the guide company who were there with picks and shaping the ice.
We felt we did the glaciers in the right order with fox first and then franz Josef because be think that fox may have been disappointing if we had of done it the other way round. It's great to be able to do them both but if you can't do them both then Franz Josef by helihike is the way to go.