This was a very cool experience. We went for 20 minutes. Pricey, but worthwhile. Shorter would have been too short. We could easily have stayed longer, but the 20 minute trip was enough to get comfortable with the experience and see lots of cool stuff. If there's something specific you'd like to see, be sure to tell the pilot. We were in town with a big group and some of our friends did the same tour. They loved it too.