In the seventh episode of Hell on Wheels Season 2, Lily and Cullen struggle to maintain order in Hell on Wheels in the aftermath of tragedy while Elam makes plans for the future. You can learn more about what happened by checking out the online extras for Episode 7, "The White Spirit":

• An "Inside Hell on Wheels" video that takes you behind the scenes of Episode 7.

• Ten production stills of Episode 7, plus two sneak peek photos from next week's episode.

• The Hell on Wheels Episode 7 Ultimate Fan Game.

• An open thread for this episode in the Hell on Wheels Talk forum.

• A sneak peek video for Episode 8, "The Lord's Day."

Also worth your attention:

• Hell on Wheels Handbook: Andersonville Prison

• Which Hell on Wheels Character Are You? Game

• Cullen Bohannon Ultimate Fan Game

• Anson Mount's Best Movies

• Hell on Wheels desktop wallpapers, IM icons and Facebook Timeline photos

• Sign up for the Hell on Wheels Telegraph Newsletter

• Hell on Wheels on Facebook

• Hell on Wheels on Twitter