NS 4130 (AC44C6M) leads an oil can train past Barr Lake as it heads to Denver, Colorado on the Brush Sub

An 'old school' Geep in Burlington Northern Cascade Green paint heads to the yard in Denver, Colorado.

BNSF 1600 (SD40-2) strains to pull a sting of cars out of the yard in Denver, Colorado.

BNSF 9325 (SD70ACe) joins a string of other heavies in the yard at the engine servicing facility in downtown Denver, Colorado.

The California Zephyr backs into Union Station located in downtown Denver, Colorado.

Norfolk Southern #4130 (AC44C6M) leads a freight west on the Brush Sub past the Riverside Cemetary in Denver, Colorado.

A power-heavy BNSF train with 9 motors runs through the North Yard as it heads west on the Moffat Tunnel Sub.

Denver Rock Island Railroad's #1083 (SW1500) crosses a street in Denver, Colorado.

Denver Rock Island Railroad's SW1500 runs a gondola through the Stockyards area in Denver, Colorado.

Amtrak engine #157 (P42DC) runs through the BNSF yard in Denver, Colorado, after which it will back into Denver's Union Station.

This gloss black veteran was built in 1953 as a GP7, and was rebuilt into a GP10, working now for the Chattahoochee Locomotive company.

BNSF 8998 (SD70ACe) runs through the North Yard in Denver as it leads a freight toward Golden, Colorado.

BNSF 2854 (former AT&SF GP39-2) sits in the yard of the engine servicing facility in Denver, Colorado.

BNSF 8998 (SD70ACe) leads a freight out of the Denver Yard on its way to the Coors Brewery in Golden, Colorado.

BNSF 8998 (SD70ACe) leads the Beer Train through the Denver Yard on its way to the Coors Brewery in Golden, Colorado.