The 1.2 million pound Union Pacific train is the largest steam train in the world. It's headed on tour and will make stops in Grand Mound and Sterling on Sept. 6.

Big Boy 4014, a restored Union Pacific steam locomotive, makes its way into Luling for a quick stop on Friday, August 20, 2021.

Union Pacific will display its Big Boy No. 4014 through the College World Series at its home plate near 12th and Cuming.

Union Pacific famed Big Boy No. 4014 steam locomotives display 2024 summer fall US tour public viewing railroad trains: Denver Colorado Cheyenne whistle stops dates.