A month-long trip is in its final miles as #4014 heads up the hill to the junction at Speer and into Cheyenne. #1989 was part of the display event in Denver, it will lead the passenger cars east ... (more)

UP Big Boy 4014 leaves Sharon Springs as sun rays peak through holes in the clouds.

'UP 4014 Big Boy on Golden Pond'. The lighting conditions were such that between the smoke filled skies and the bright sunrise, a golden glow bathed the Union Pacific's Big Boy for about 5 minu... (more)

The gritty vibe of the refineries in Commerce City, Colorado lends itself to imagining what the Big Boy would have looked like 70 years ago leaving Denver and heading home to Cheyenne, Wyoming.

Dawn is breaking at Sharon Springs, Kansas as the crew starts to prep UP 4014 for the run to Denver, Colorado.

Union Pacific Big Boy 4014 runs between the cottonwood trees at Aroya, Colorado.

The "Big Boy" arrives in St. Louis during its 2021 Tour.

UP 4014 departing Sharon Springs, KS headed for Denver, CO.

Union Pacific Big Boy 4014 leads the Union Pacific Museums Benefit Excursion over the Huey P. Long bridge and out of New Orleans as it begins the next leg of its 2021 Tour.

The early bird photographer gets the sunrise shot of UP Big Boy 4014 as it sits in Sharon Springs, Kansas.

Big Boy 4014 runs across a large span bridge in Peoria, Colorado.

UP Big Boy 4014 leaves Denver behind as it travels north on the Greeley Sub, passing between the refineries of Commerce City.

Everybody Loves a Big Boy!
UP's Big Boy made the second-to-last leg of its 2021 summer journey from Sharon Springs, KS to Denver, CO on Sunday, September 5, 2021. As is typical, the tr... (more)