The crew of Union Pacific's 4014 gives the crowds a friendly wave as the 4-8-8-4 continues its system tour.

Union Pacific Big Boy 4014 comes out around the curve in Natchitoches while passing by Northwestern State University.

UP Big Boy crosses over the High Line bridge at Santa Fe Junction in Kansas City on a beautiful September morning on its way West to Cheyenne Wyoming

It Pays To Stay Trackside. After Union Pacific Railroad's 4-8-8-4 4014 (Big Boy) crossed the Mississippi River over Huey P. Long Bridge on the afternoon of Friday, August 20, 2021, a decisi... (more)

UP 4014 leaves Pine Bluffs, Wyoming as it continues its journey towards New Orleans.

Rolling along in the late afternoon sun of August 31, 2021, Union Pacific Big Boy number 4014 arrives at Union Station in Kansas City, MO. It will rest on display at the station for a day before c... (more)

UP 4014 the Big Boy departing Hermann.

The Union Pacific Big Boy makes its way through the cut at Eureka as it continues its journey Westward from Saint Louis to Jefferson City, MO.

UP 4014 makes it first appearance in St. Louis, arriving into town after a day long excursion from Poplar Bluff.

UP 4014 makes it first appearance in St. Louis, arriving into town after a day long excursion from Poplar Bluff.

On its trip back west, the Big Boy 2021 Tour makes a stop in Kirkwood, Missouri in front of the iconic ex-Missouri Pacific passenger depot.

The line of cars following beside (and behind) UP 4014 Saturday goes as far as the eye can see in this photo of the Big Boy rolling across the St. Francis River.

Having gotten a new camera body, I was happy to break it in with the UP 4014 Big Boy to see what kind of picture quality I was going to get. I'm very happy with the Canon 5DSR.

Big Boy 4014 rolls through the super elevated curve in Vacherie, LA as it continues east towards New Orleans.

UP 4014 rolls into Bell City making its way to its first stop of the day in Scott City.