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

Big Boy No. 4014 made its way to Denver Thursday, where it wasn't available for public viewing but where Airtracker7 was able ...

"Big Boy," a 1.2 million-pound locomotive, is back in Colorado after being restored to the world’s largest operating steam ...

The world's largest steam locomotive chugged through Colorado Thursday as part of its limited summer tour. Here are some of ...

GREELEY, Colo. — Union Pacific’s Big Boy began its only scheduled trip of 2025 today (July 17), heading from its home base in ...

Friday: Big Boy will be on display at Denver's Union Station, 1701 Wynkoop St., 10 a.m. to 3 p.m. In addition to this free public viewing opportunity, the public will be able to take part in the ...

The Big Boy No. 4014 steam locomotive, which hauled freight between Wyoming and Utah in the 1940s and 1950s, is back on the track and headed for multiple stops in Colorado.

DENVER (CBS4) - The historic Union Pacific Big Boy No. 4014 Locomotive rolled into Denver Sunday night. It was on display until Monday afternoon at 39th Avenue and Wynkoop. The world's largest ...

Union Pacific's Big Boy No. 4014 will depart from Denver Union Station back to the locomotive's home base in Cheyenne, ending the locomotive's "Heartland of America Tour." ...

Union Pacific (UP) announced on July 21 that its Big Boy Steam Locomotive No. 4014 will depart for a roundtrip tour between Cheyenne, Wyo., and Denver, Colo., on July 28, 2022, and be on display July ...

DENVER — The world's largest steam engine will be making whistle stops across the United States during two tours planned for summer and fall. Union Pacific’s famed Big Boy No. 4014 will begin ...

CHEYENNE – Union Pacific's Big Boy No. 4014 steam engine will travel to Denver on July 28 for a brief display scheduled for the next day, followed by a passenger trip back to Cheyenne.