Amtrak's California Zephyr train No. 6 snakes along Highway 6 through the Red Narrows of Spanish Fork Canyon.

Amtrak's California Zephyr train No. 6 had some interesting substitute power on May 23, 1992, cruising east through the Salt Lake Valley approaching Riverton.

Southern Pacific's premier observation car 'Stanford' takes a tour of the D&RGW on Amtrak's California Zephyr. The heavyweight business car was built by the Pullman Company for the SP in 1927. Tra... (more)

Southern Pacific GP40-2 No. 7132, one of the first units to wear the new 'speed lettering' livery, was recruited to lead Amtrak's California Zephyr from Salt Lake City to Denver on June 8, 1991. T... (more)

Brand new Siemens ACS-64 is headed East on the California Zephyr.

A Union Pacific C40-8 leads Amtrak's California Zephyr east through Spanish Fork Canyon on July 21, 1990.

The eastbound California Zephyr, more-or-less on time, skirts through State Bridge on its way toward Gore Canyon.

Amtrak No. 6 glides downhill into Truckee as light snow falls.

Passing lilac bushes neatly planted in the yards of the old Rio Grande section houses at Radium, Colorado, Amtrakā€™s eastbound California Zephyr curves by on the afternoon of June 6, 2013.

Amtrakā€™s eastbound California Zephyr drops down off the front range of the Rocky Mountains at Eisele, Colorado, on the afternoon of June 2, 2013. The train is passing through the former location... (more)

Amtrak No. 6 roars up the stiff grade at Towle between classic SP target signals.

Amtrak's California Zephyr rambles east with a new ACS64 (Amtrak Cities Sprinter) along for the ride on the former D&RGW at Castle Gate. Manufactured by Siemens in Sacramento, Amtrak has placed an... (more)

Amtrak's eastbound California Zephyr hauls a new ACS64 (Amtrak Cities Sprinter) east along the former D&RGW at Soldier Summit on June 7, 2013. Manufactured by Siemens in Sacramento, Amtrak has pla... (more)

Amtrak's eastbound California Zephyr hauls a new ACS64 (Amtrak Cities Sprinter) east along the former D&RGW near Wellington, Utah on June 7, 2013. Manufactured by Siemens in Sacramento, Amtrak has... (more)

Amtrakā€™s California Zephyr pops out of 63-foot-long Tunnel 40 in Little Gore Canyon west of Azure, Colorado, on June 3, 2013. Two fisherman try their luck in the depth of the canyon floating dow... (more)