Union Pacific's Big Boy No. 4014 is embarking on a historic coast-to-coast tour in 2026 to celebrate America’s 250th anniversary. This is some fun drone footage (and a still photo) that I took during the Big Boy's west coast tour a couple years ago, along the route of the Transcontinental Railroad route on Donner Pass. Audio is from a microphone I had on the ground. Looking forward to another opportunity to see and photograph this iconic piece of history! The biggest operating steam locomotive i