I was lucky to be on a small-group tour (7 of us) with Ryan, who was a fabulous guide. The Dalton Highway gives a whole new meaning to the word "highway" to be sure! We stopped at all sorts of interesting locations--an artesian well, a viewpoint over the tundra, the pipeline, the Yukon River, and, of course, the Arctic Circle sign itself. While there wasn't auroral activity when we stopped at the trading post on the way back, it was a great place to warm up, and Ryan did stop the van before that point when the aurora got going and we spent quite a while observing and taking photos.