Karnok's Wall
Goblins, well known for their skill at breaking things, have long been renowned for their ability to tear down even the mightiest of fortresses. Not content to limit themselves creatively, the canyon stronghold of Karnok's Wall represents the goblins' best effort to try, for the first time, tearing UP! Sure, it won't win any architecture awards, but it looks rad as hell, which is all they really wanted anyway.