Is this true?
While this makes sense I am betting that there are alternatives.
Oh well, perhaps there is no other little nook such as that.
U.S. city departure riddle,
Via Little Miss Attila:
There is only one city in the United States wherein traveling along the four compass points—north, south, east and west—brings you [cross over into] the same single state, no matter which direction you choose. Name the city, and the state.