'Big Boy,' the 1.1 million pound train, set to tour US: See its planned stops

DENVER (KDVR/NEXSTAR) — Will Union Pacific's legendary "Big Boy" steam locomotive stop near you during its upcoming tours across much of the U.S.?One of the world’s largest trains will pass through a number of states this summer and fall, making stops along the way to allow viewers an up-close look at the massive, 1.1-million-pound engine.According to the Union Pacific Railroad, the train known as Big Boy No. 4010 is the world's largest operating steam locomotive.These 10 US cities h