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," 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 ...

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

Meet the Union Pacific Big Boy, a train so massive it redefined what was possible in railroading. Explore its incredible design and legacy in conquering mountainous terrain.

The Big Boy Heartland of America Tour will make a whistle stop in Greeley on Wednesday as the Union Pacific locomotive ends a nine-state tour.

The Union Pacific Big Boy No. 4014 Train will stop in Boone during its Heartland of America Tour mext month.

OMAHA, Neb., May 27, 2025--Union Pacific Railroad announced today its legendary steam locomotive, Big Boy No. 4014, will make two whistle-stops in Greeley, Colorado, this summer as part of a ...

OGDEN — A legendary locomotive made its return to Ogden this weekend. Union Pacific’s Big Boy No. 4014 made a weekend stop that drew thousands of visitors of all ages to Union Station from its ...

Union Pacific's famous Big Boy locomotive, the world's largest steam engine, makes its way through Houston.

The legendary locomotive will be accompanied by Union Pacific’s New No. 1616 Lincoln Locomotive Union Pacific Railroad announced today its legendary steam locomotive, Big Boy No. 4014, will make ...

The world's largest operating steam locomotive engine, Union Pacific's Big Boy No. 4014, will depart from Boone on Sept. 5, 2024 as part of its Heartland of America Tour.