The California Zephyr #5 train gets ready to cross Highway 72 in Coal Creek Canyon, Colorado.

The California Zephyr 5 train runs underneath the bridge at the Glenwood Springs Depot.

The California Zephyr leaves the Glenwood Springs Depot and will run west towards the next station at Grand Junction, Colorado.

The California Zephyr rounds the horseshoe curve in Coal Creek Canyon and will soon enter the first of 29 tunnels before it reaches the Moffat Tunnel at Tolland, Colorado.

The California Zephyr runs through the cut at Coal Creek Canyon as it heads towards Tunnel #1.

Amtrak 14, the northbound Coast Starlight, is just an hour into its 1,377 mile journey to Seattle as it slices its way through the rock formations in Chatsworth, Calif., as it prepares to d... (more)

P096 from Newport News heads up the Bellwood Sub in between station stops in Richmond with a long train of Amfleets.

Due to wildfires east of Fort Morgan, Colorado the California Zephry 6 was 14 hours late in departing Denver's Union Station. This enabled a sunny shot as it ran past the large grain silo in Rogg... (more)

Dawn is just starting to break as the California Zephyr rounds the curve west of Keenesburg and heads towards Hudson, Colorado on the Brush Sub.

The California Zephyr climbs up the Moffat Tunnel grade, passing through a series of tunnels before eventually running through the 6-mile-long Moffat Tunnel which runs under the Continental Divide... (more)

The California Zephyr leaves Denver behind as it makes the turn at Leyden, Colorado and heads towards the foothills and the tunnel district of the Moffat Line.

The California Zephyr emerges from Tunnel 4 as it heads up towards 25 more tunnels, including the 6-mile-long Moffat Tunnel that runs under the Continental Divide.

The California Zephyr runs between tunnels 3 and 4 on the Moffat Tunnel Sub.

It's the Golden Hour with 15 minutes before sunrise and the California Zephyr runs between Keenesburg and Hudson, Colorado.

The California Zephyr runs through Arvada, Colorado on the Moffat Tunnel Sub.