I remember taking a plane in Talkeetna in an attempt to fly over Mount McKinley, the highest peak in North America. I was a little scared because the plane didn't look too impressive, but the trip was the highlight of my Alaskan holiday. Seeing that giant mountain from above is something I'd recommend in a heartbeat. We landed and took a little walk, where we saw some mountaineers making camp. It's something I remember vividly even four years later.