Amtrak P42 24 leads the westbound California Zephyr through Western Springs.

Union Pacific SD70M No. 4332 and Promontory Rail Tour's 'Moonlight Dome' were spotted at Salt Lake Central station on Sept. 8, 2013.

Here is Amtrak #5, the California Zephyr rounding Arnold's Loop on Silver Zone Pass in far eastern Nevada. Something seems wrong here as this train is supposed to pass by here in the middle of the... (more)

Amtrak’s westbound California Zephyr rumbles along South Boulder Creek in Rollins Canyon just east of Rollinsville, Colorado, on April 30, 1998. This short, but scenic canyon is located on Union... (more)

Amtrak’s train No. 5, the California Zephyr, climbs through a winter wonderland at Crescent, Colorado, on April 23, 1999. Two P42s, along with an F40PH kicker, power the train as it slices silen... (more)

Amtrak’s westbound California Zephyr exits Little Gore Canyon, east of Radium, Colorado, on June 3, 2013. Two Iowa Pacific private cars on the rear round out the 12-car consist this day.

It was snowing briskly as Amtrak's westbound "CZ" was climbing up to Moffat Tunnel and the continental divide on the former D&RGW on March 25, 1984, following the South Boulder Creek. The 9,239-... (more)

An odd circumstance --- a Santa Fe GE B36-7 on the point of Amtrak No. 5 "California Zephyr" on the former D&RGW westbound out of Denver at Rocky, Colo. on Aug. 28, 1992.

With LMX GE unit 8531 on the point, BN's Train 196 from the Pacific Northwest to Texas waits in the clear at Fox Junction in Denver for Amtrak No. 5 west to clear on Aug. 19, 1992, back when Amtra... (more)

What's this?? Can anyone say why the top of Amtrak's Superliner dining car on Train 5, "California Zephyr," had the word PRESIDENT painted on it? Captured near Clay, Colo. west of Denver on t... (more)

The westbound California Zephyr emerges from the short Tunnel 29 alongside one of the gnarliest sections of South Boulder Creek.

Amtrak No. 5, the California Zephyr, leaves Clay, Colorado, on the climb up the Front Range of the Rockies on the morning of June 13, 2011. The mesa that Big 10 Curve is laid out on can be seen di... (more)

While Amtrak P42 99 prepares the day's California Zephyr, NS 65R passes with the Monongahela and Lackawanna heritage units on the point.

Springtime in the Rockies
Amtrak train No. 5, the California Zephyr, climbs up the 2 percent grade between Tunnels 8 and 10 west of Plainview, Colorado, on the morning of June 8, 2013. ... (more)

Amtrak’s California Zephyr is about to encircle Big 10 Curve just west of Rocky, Colorado, on the morning of Memorial Day 2013. All the late winter and spring snow has nicely greened up the foot... (more)