'Big Boy' train in Iowa for America 250 tour. Here's where to see it.

Union Pacific's Big Boy, the largest operating steam locomotive will be stopping in Iowa towns as part of a historic coast-to ...

Historic Big Boy No. 4014 locomotive rolls through central Iowa

The historic Big Boy No. 4014 locomotive rolled into central Iowa on Monday. The steam locomotive is one of eight Big Boy ...

Watch the Union Pacific 'Big Boy' steam engine roll out of Boone, Iowa

The world's largest steam locomotive, known as "Big Boy," left Boone, Iowa on Monday, June 1, as part of its coast-to-coast ...
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The 2026 semiquincentennial summer of big steam

As the summer season heats up ahead of the United States’ 250th birthday, so does the lineup of large mainline locomotives that will be in steam to mark the occasion. However, it wouldn’t hurt to ...