Was originally titled "Dark Wind," but was changed to "Damnation" to fit the show's theme and tone.
In the first episode, the main protagonist paraphrases Karl Marx's famous eleventh thesis on Feuerbach: "The philosophers have only interpreted the world, in various ways. The point, however, is to change it." [These words are also inscribed upon his grave]
Sheriff Don Berryman's dog Jelly Roll is the same dog the actor Chris Heyerdahl performed with as The Swede on Hell on Wheels.
According to showrunner Tony Tost, the role of carnival wrestler Pitchfork Perry was written with WWE superstar Luke Harper (Jon Huber) in mind.
Was cancelled after only one season.