User blog comment:Blood Reaper/Todd Howard Hinting at Future DLC's and Patches/@comment-67.234.62.46-20120224005524/@comment-4118895-20120225172931

Theres somethings you cant climb Anon. For example, reaching the throat of the world without the shout to pass it. I used a horse very early in the game and I met paarthurnax very early