Board Thread:Show-Related Questions and Answers/@comment-25926288-20151120003425/@comment-27213286-20151123014119

The White Rabbit can travel to realms without magic as Alice was from a realm without magic. It has been implied that the other items could only be used to access lands with magic as Jefferson's hat was only used after magic had been brought to Storybrook even though Regina had it the entire time. It is also possible that the hat can only take people to realms that it has been in before because it must first establish a door for that realm.