UP 3985 is seen here pulling the Ringling Bros Circus Train from Cheyenne to Denver.

The Biggest and Baddest active steam locomotive in the world sits inside the Union Pacific's steam shops in Cheyenne WY. Taken with permission.

UP's Challenger heads south through the beginning of fall colors on the scenic Chester Subdivision.

The steam special slowly steams around the bend approaching "Pace", where the dispatcher will hold him to meet a westbound Amtrak.

Portrait of an engineer, a man and his machine. Ed Dickens, Engineer, and Manager of Heritage Equipment & Facilities, poses for a photo while performing post-trip maintenance in St. Louis.

UP 3985 returns to St Louis after a quick romp to Gorham, IL.

The westbound Missouri River Eagle special sits on display in St. Louis. The Jefferson National Expansion Memorial (Gateway Arch) can be seen in the background.

The Missouri River Eagle creeps down Archer Hill as it nears the end of its nearly two week trek away from Cheyenne. It's nice to see this piece of history running the rails again after a ... (more)

The must have trestle shot at Fountain. A big thank you for whoever cut down the trees piled in the foreground, it really opened up this shot.

3985 heads south on the Chester Subdivision near Columbia, IL. If you look close, you will see the Saint Louis skyline in the distance on the right side of the horizon.

UP 3985 charges the Missouri River Eagle through Hermann, MO. Less than 10 minutes before the train arrived, this view was socked in with pea-soup fog, hugging the Missouri River. With moments t... (more)

The Missouri River Eagle makes the turn in Southern Illinois. After being serviced it will return to St. Louis, Missouri.

The Missouri River Eagle returns home to Cheyenne after a two week trip out to St. Louis. Unfortunately, the UP 3985 was running on the heels of a westbound manifest which kept its speed d... (more)

UP 3985 simmers through the night in Sedalia, MO as several photographers have a good time making night exposures.