Fort Conger
In the movie, the airship's first Arctic stop is at Fort Conger. I found it on Google Earth just now and never knew it was a real place:
http://www.bgr.de/fotogalerien/case_8/Seiten/022-FortConger_jpg.htm
Just a couple of tiny houses. Looks nothing like the trading post setting as portrayed in the film.
The more I study it, the greater the puzzle becomes.
The Golden Voyage of Sinbad