The world's largest operating steam train is in Denver. Union Pacific's legendary Big Boy No. 4014 locomotive made a pit stop in the Mile High City on Friday.

The menu at the Red Board Tavern & Table is seen with a Big Boy inspired twist as visitors wait for Union Pacific’s No. 4014 “Big Boy” makes its way through Navasota, Friday, Oct. 4, 2024.

The Big Boy 4014 traveled over 1 million miles over the steep grades of the western U.S.— typically operating between Ogden, Utah, and Cheyenne, Wyoming—for about two decades.

Union Pacific’s historic Big Boy steam locomotive No. 4014 is touring the Union Pacific system throughout 2019 to commemorate the transcontinental railroad's 150th anniversary.

TOPEKA, Kan. (WIBW) - The Union Pacific released its full tour of the Big Boy No. 4014 steam-powered train Monday. The railroad will depart on the “Heartland of America Tour” on Wednesday, Aug ...