The Denver Zephyr A Roger Puta Photograph

Early afternoon Amtrak #6, the California Zephyr, climbs the grade between Penryn, CA and Newcastle, CA on the number 2 track on a perfect winter day.

Amtrak No. 6, the eastbound California Zephyr, climbs Cedar Hill at Cedar, Utah, on the morning of May 10, 2006.

Deep in the Tunnel District between Plainview and Crescent, Colorado, Amtrak’s eastbound California Zephyr threads through Tunnel 15 on May 14, 2017.

A early morning Utah Railway coal train waits to enter the main. As Amtrak number 6 the Zephyr races by.

Amtrak’s California Zephyr meets a westbound BNSF freight at Rocky, Colorado, on the afternoon of June 28, 2014. In a half hour or so, eastbound No. 6 be in Denver, seen on the horizon jutting u... (more)

In a scene that's become all too familiar this Winter, Amtrak 135 leads the eastbound "California Zephyr" through the S-Curves at Yuba Pass.

Rounding the curve and headstrong into a harsh Sierra Blizzard, Amtrak's Eastbound California Zephyr rolls through Yuba Pass.

Amtrak's California Zephyr #6 speeds east across the ex D&RGW near Thompson, UT with a few friendly toots of the horn from the engineer. Next stop is Grand Junction,CO with an eventual destination... (more)

Amtrak number 6 passes the small community of Cameron Illinois

The two GE P42DCs on Amtrak No. 6, the California Zephyr, smoke a bit coming out of a curve beneath the imposing Bookcliffs between Solitude and Floy, Utah, on the morning of March 5, 2012. Union ... (more)

Rio Grande's Intermountain Power to Valley Camp coal train (with UP pool power) challenges Amtrak's California Zephyr to a race through the Red Narrows of Spanish Fork Canyon on July 29, 1990. Bot... (more)

New Year's Day 1991 finds Amtrak's California Zephyr train No. 6 climbing the Mapleton Bench near Spanish Fork with freshly shopped and painted F40PH No. 353 in the lead.

On a beautiful August morning. Amtrak 5 and 117 pull California Zephyr train number 6 thought the west end of Soldier Summit.