If you saw a massive steam locomotive rolling through the region today and wondered what all the excitement was about, you witnessed a piece of American history.

Union Pacific’s Big Boy No. 4014, the world’s largest and most powerful operating steam locomotive, made its way through the Region as part of a historic coast-to-coast tour celebrating America’s 250th anniversary.

Built in the 1940s, this engineering giant stretches 132 feet long, weighs over 1.2 million pounds, and is the only operating Big Boy locomotive left in the world. As it approached, the deep thunder of its exhaust echoed across the tracks, while billowing clouds of white steam drifted into the air and carried the unmistakable scent of hot metal and coal-era railroading. Towering over spectators, the locomotive seemed almost larger than life, its immense black frame and driving wheels dwarfing everything around it. Thousands of railfans travel hundreds of miles just for a chance to see it in person.

For many, today’s visit wasn’t just about a train, it was a rare opportunity to see a living piece of railroad history, hear its legendary whistle ring out across the city, and witness a machine that helped build America. Crowds lined crossings and platforms, cameras raised and phones recording as cheers, waves, and excited conversations followed the locomotive’s passage. If you caught it passing through today, you saw something that most people will only ever see in photos and videos, and experienced the sights, sounds, and power of a bygone era brought vividly back to life.