The 133-foot-long locomotive is the only Big Boy to still travel the tracks.

For the first time ever, both coasts could receive a visit from the world's largest operating steam locomotive.

Union Pacific has announced the first leg of the tour of its legendary Big Boy No. 4014 locomotive will begin by leaving ...

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 ...