Denver Union Station is the main railway station and central transportation hub in Denver, Colorado. It is located at 17th and Wynkoop Streets in the present-day LoDo district and includes the historic station house, a modern open-air train shed, a 22-gate underground bus station, and light rail station. A station was first opened on the site on June 1, 1881, but burned down in 1894.

https://en.wikipedia.org/wiki/Denver_Union_Station

Dark Side Of Denver