When it opened on June 1, 1881, Denver’s Union Station was the tallest building in the West. The bustling train hub, which was situated in a dusty field near the South Platte River, cost ...

Then, after the last train pulled away at 11:57 p.m., workers got busy building the new station. In less than six hours, the preprinted parts, made of a special mortar, were assembled.

The station was built in 1914 for $300,000 and located where the current Big Y market is on West Street. The day after the new station opened, contractors began to knock down an older 47-year-old ...