Queen Alysanne Targaryen, riding her dragon Silverwing, visited the Night’s Watch and the Wall; at the time when she traveled the North of Westeros, as narrated in the Targaryen history book, Fire & Blood, by George RR Martin Jaehaerys and
Queen Alysanne Targaryen and Silverwing at Queenscrown; Dragons in the North
In A Storm of Swords, Bran III by George RR Martin; Bran tells Meera and Jojen Reed the story he heard from Old Nan about Alysanne’s visit to the village of Queenscrown on her way to the Wall, such accounts