Historic Big Boy steam locomotive draws crowds as America 250 tour heads east

Union Pacific's Big Boy No. 4014, the world's largest operating steam locomotive, is making its first tour of the East Coast as part of celebrations leading up to America's 250th birthday.

The locomotive arrived in Illinois this week as part of Union Pacific's America 250 tour, a multi-state journey that will take the historic engine through Indiana, Ohio, New York and Pennsylvania before arriving in Philadelphia ahead of Fourth of July celebrations.

Rail enthusiasts lined the tracks in Sterling...