I toured GST with headsets about 4 years ago but this was by far a superior experience. I was amazed this time to learn about all the things that are in plain sight that you see but don't register as significant. It would be great if you could 'go behind the scenes' but it's totally understandable, in today's world, why that is allowed anymore. The guide did a good job of explaining the places we couldn't go to anymore so I don't feel like I missed anything. The listening devices worked great, i wish more tours used them.