Trivia: Johnny Depp's character Rango says "interesting" a few times throughout the movie and while that isn't trivia in itself, the fact that Johnny Depp says it in "his way" in a lot of his movies at some point or another.
Trivia: When Ella is abducted by the alien speeders, while the group flees from Jake's old gang; it really is Olivia Wilde being pulled 40ft+ into the air while riding full tilt on horseback, not her stunt double.