Editorial photo #13919151 Human Interest
Big Boy Locomotive Arrives in Philadelphia for USA250 Celebrations
The Union Pacific Big Boy No. 4014 steam locomotive crosses the Columbia Bridge over the Schuylkill River in reverse, pulled by modern supporting diesel engines, as it arrives to participate in the USA250 celebrations in Philadelphia, United States, on July 3, 2026. (Photo by Bastiaan Slabbers/NurPhoto)
