Big Boy is the largest and most powerful operating steam locomotive in the world, and FOX4 got a look in the cab.

Union Pacific’s 1.2-million-pound iron giant is on its first coast-to-coast tour. At every stop, rail fans break down.

Huge crowds of train fans turn out as the 1940s era Big Boy steam locomotive is making a rare trip cross country.

Huge crowds of train fans turn out as the 1940s era Big Boy steam locomotive is making a rare trip cross country. It'll stop ...

Big Boy, the world's largest operating steam locomotive in the world, will pass through several municipalities while making ...

LEBANON — Massive crowds came out Tuesday to witness a once-in-a-lifetime moment in railroad history, and they weren’t disappointed. On Tuesday, people crowded around the Philadelphia & Reading ...

Update: Big Boy train makes its 1st central Pa. stop before cheering crowds: photos LEBANON — Massive crowds came out Tuesday to witness a once-in-a-lifetime moment in railroad history. People crowded ...

After months long anticipation and excitement boiling over, the Big Boy locomotive made its way through downtown Struthers.

The Big Boy No. 4014 steam locomotive will be traveling through southcentral Pennsylvania this week. Find out where to watch ...

Union Pacific’s Big Boy is traveling across the United States in honor of America’s 250th anniversary.

It even sounds big. Like the bellowing of an African bull elephant, the Union Pacific Big Boy steam locomotive announced itself Wednesday afternoon as it approached on the Norfolk Southern mainline ...

The historic Pere Marquette 1225 steam locomotive highlights the weekend's festivities.