According to the Jour. Roy. Met. So., 27-158, a “phantom city” appears in the sky over a glacier in Alaska between June 21 and July 10. Supposedly features in it have been recognized as buildings in Bristol, England. These mirages were seen by the Alaskan Indians. A scientific expedition from San Francisco was going to investigate in May 1901. The scene is the same from year to year.
–Charles Fort, New Lands, p. 493 (The Complete Books of Charles Fort, Dover, c1974).