The early morning sun greets the Union Pacific 4014 big Boy as a member of the Steam Crew inspects and applies lubricant to the second engine on the locomotive.

Heading east along the way to Prescott, the Big Boy crosses the span of the trestle over the Red River.

Union Pacific Big Boy 4-8-8-4 No. 4014 leads UP 844 toward Ogden, UT, exiting a pair of mainline tunnels just east of Morgan, Utah.

UP 4014 leads a passenger excursion south over the bridge at Boylston.

UP Big Boy #4014 has just departed Barstow as it heads to West Colton on the second day of its Southern California excursion.

Fireworks explode over the Union Pacific 4014 Big Boy, as it spends a very cold, clear night next to the Nevada County Depot and Museum in Prescott, Arkansas. Special thanks to the Mayor, City ... (more)

The Big Boy races east down the legendary SP Sunset Route in desolate, empty far West Texas.

Union Pacific’s Big Boy 4014 is in the middle of a pre-Thanksgiving blizzard and a foot of snow in the Denver area as it treads eastward on the former Rio Grande Belt Line at Washington Street o... (more)

UP 4014 races north towards Hope, Arkansas, on a very cold, bright morning. The 25 degree temperature sure added to the steam plume.

One of the best Christmas gifts for 2019, the return of the Union Pacific 4014 Big Boy. Merry Christmas

Hundreds have gathered on the platform at Little Rock Union Station to see 4014 arrive. In fact, 4014 has even captured the attention of some kids playing on a school playground in the background.... (more)

Shrouded in steam, the Big Boy is putting on a show in the brisk cold morning air as they get ready to take the turn at Marshall.

Big Boy UP 4014 runs through the snow over a bridge north of LaSalle, Colorado.

UP big boy 4014 sits on display in Duluth.

The long and graceful look of Big Boy UP 4014 belies the massive size when viewed up close. Here the mechanical marvel runs at top speed through Byers, Colorado.