Season 1

10 episodes · Nov 6, 2011 · 7.8

Season 2

10 episodes · Aug 12, 2012 · 8.4

Season 3

10 episodes · Aug 10, 2013 · 8.4

Season 4

13 episodes · Aug 2, 2014 · 8.4

The iron horse is back on track with Thomas “Doc” Durant firmly at the helm of the Union Pacific Railroad, and a boomtown is rising from the Wyoming plains. Cheyenne – dubbed the "Magic City" – is rapidly transforming into a vital crossroads for westward expansion, drawing settle…

Season 5

14 episodes · Jul 18, 2015 · 8.2

Arriving in Truckee, California, feels like stepping into another world for Cullen Bohannon. This bustling mountain town, the nerve center of the Central Pacific railroad, is overflowing with thousands of Chinese laborers – men whose language and customs are entirely unfamiliar. …