WATCH LIVE | Historic Union Pacific Big Boy locomotive No. 4014 arrives in Rocky River

Union Pacific's Big Boy coming to Colorado on US tour

Here's when Big Boy is rolling into western Pennsylvania

Historic Union Pacific Big Boy locomotive No. 4014 moves through downtown Cleveland

Train lovers flock to see “Big Boy,” the world’s biggest steam locomotive

Union Pacific Big Boy No. 4014 crosses the Rockville Bridge

World's largest steam locomotive 'Big Boy' to visit Lebanon

Susquehanna Valley residents enjoy arrival of Big Boy No. 4014 in Lebanon

Big Boy headed to Leetsdale, Pennsylvania, for a whistle stop

Union Pacific Big Boy 4014 at Horseshoe Curve (Full Video)

Ne-Yo Sings "Knock You Down" to Big Boy

Marlon Wayans started HATING LeBron at this exact moment 🏀