The 133-foot-long locomotive is the only Big Boy to still travel the tracks.
When it comes to the most powerful engines in modern-day, you wouldn't be alone if your mind immediately went to the highly advanced rocket engines powering spaceflight. What might be more surprising, ...
The world's largest steam engine will roll through the heart of Iowa this fall. The Union Pacific Big Boy No. 4014 will soon depart on its Heartland of America Tour, highlighted by an overnight stop ...