Union Pacific Railroad said Big Boy No. 4014 will return to the rails in a "big way" in honor of America's 250th anniversary ...

Union Pacific is dropping new hints this week of a coast-to-coast journey for its historic locomotive nicknamed ‘Big Boy’ ...

Big Boy is 133 feet long and weighs 1.2 million pounds, requiring a “hinged” frame to help it get around curves.

Jennifer McRae is a digital media producer for CBS Colorado with more than 25 years of experience in news. Jennifer is part of the digital team recognized for excellence for Best Website several times ...