Amtrak engine #76 (P42DC) runs through Leyden, Colorado.

Amtrak's eastbound California Zephyr races across Barr Lake during sunset after performing its station work and a crew change at Denver Union Station. AMTK 160, the Phase III "Pepsi Can"... (more)

Light snow falls over Denver as the California Zephyr backs into Denver Union Station.

Daily afternoon rain showers have greened-up Blue Mountain as the California Zephyr heads into Coal Creek Canyon on the Moffat Tunnel Sub.

Amtrak #160, painted in the "Pepsi" paint scheme, and a newly painted Phase VII scheme P42DC, lead the California Zephyr through Tunnel 13 in an area known as South Draw, Colorado.

A pair of specially painted Amtrak engines, including a Heritage VII painted P42DC and Amtrak #160, painted in the "Pepsi" paint scheme, lead the California Zephyr through South Draw bet... (more)

Amtrak's California Zephyr passes by a Union Pacific Oil train that is stopped on the Plain siding on Union Pacific's Moffatt Tunnel subdivision. The Zephyr is headed eastbound and in a few minute... (more)

The California Zephyr is led by Amtrak #160 "Pepsi" as it heads towards Tunnel #17 in South Draw, Colorado.

The California Zephyr 6 train runs through Plainview, Colorado and heads towards Tunnel #1 and Coal Creek Canyon on its way to Denver.

Amtrak #6 has just crossed into Colorado from Utah at the mouth of Ruby Canyon

Big Game in Colorado. Amtrak P42DC no. 187, the "Big Game Train," is seen leading train 5, the westbound California Zephyr, through Palisade, CO en-route to Emeryville,... (more)

Amtrak engine #78 (P42DC) races the snow clouds as it leads the Winter Park Express through the signal bridge in the Union Pacific's North Yard in Denver, Colorado.

The California Zephyr casts a reflection at Barr Lake as it heads towards Denver, Colorado on the Brush Sub.

Fresh snow overnight has frosted the trees in Coal Creek Canyon as the California Zephyr heads into the Rocky Mountains.

Amtrak's Phase VII engine #174 (P42DC) leads the Winter Park Express out of Tunnel #1 and heads towards Plainview, Colorado.