Big Boy is still drawing big crowds as the world's largest operating steam locomotive begins its homeward run to cap its ...

Union Pacific Big Boy No. 4014, the world's largest operating steam locomotive, is making its way through the Midwest.

Union Pacific's Big Boy No. 4014, the world's largest operating steam locomotive, arrived in Pleasant Hill and Kansas City, ...

The world’s largest operating steam locomotive is drawing crowds on its cross-country trip to celebrate the ...

TRAIN LOVERS DID NOT WANT TO MISS THIS. THE TRAIN WHISTLE WAS LIKE MUSIC TO THIS CROWD AT UNION STATION TODAY. THE HISTORIC BIG BOY 4014 WAS RESTORED FOR THIS TOUR, COMMEMORATING THE 150TH ANNIVERSARY ...

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

A huge and historic train rolled into the Kansas City metro on Tuesday, drawing in hundreds of spectators.

WEST CHICAGO, Ill. – Union Pacific's Big Boy No. 4014, the world's largest operating steam locomotive, is making its first tour of the East Coast as part of celebrations leading up to America's 250th ...

Union Pacific Big Boy No. 4014, the world’s largest operating steam locomotive, is drawing huge crowds during its historic tour.

The hulking black train engine is the world’s biggest working steam locomotive, and is in the midst of a coast-to-coast tour ...

After leaving the Horseshoe Curve Saturday morning, Union Pacific’s Big Boy 4014 steam locomotive made its way over the ...