The California Zephyr heads towards the east portal of the Moffat Tunnel, giving the crew and passengers a view of the amazing golden aspen that are coloring the valley.

A surprise catch in the UP's North Yard in Denver was this bay window caboose, which is used for local runs as well as a 'snow bus', shuttling crews to trains in the mountains when heavy snow prev... (more)

The morning California Zephyr makes a crew change after two cars jumped the track. Standard procedure after an event.

The Northwestern Pacific repurposed a number of former Southern Pacific SD9's, repainting them in the 'black widow' scheme. This one needs a bit of refresh and can be found stationed at the old su... (more)

US Army 4607 (GP10) waits for orders in the UP's North Yard while UP 1358 (ex Denver & Rio Grande Western GP40-2) heads to the sand box.

Two pair of UP engines, lead by UP 801 (GP38-2) and UPY 577 (GP15-1), wait to take their turn shuffling cars at the 36th Street yard north of Denver on a sunny November day.

The long and graceful look of Big Boy UP 4014 belies the massive size when viewed up close. Here the mechanical marvel runs at top speed through Byers, Colorado.

UP 1996 (SD70ACe) makes its way into the 36th Street Yard in Denver.

BNSF 8007 (ES44C4) pulls a ballast train through the S curve at Spruce, Colorado.

The shape of streamliners to come. CB&Q No. 5629 (4-8-4) was built in 1940 by the Burlington Route Railroad in their own shops in Burlington, Iowa and was one of 15 engines of its class designed ... (more)

The Union Pacific's North Yard in Denver hosts a number of colorful HLCX GP38-2's.

Train crews and passengers of the California Zephyr that run on the Moffat Line must be curious when they see the horse in the red hazmat outfit. “Cold War Horse” was created to acknowledge t... (more)

A bright Colorado sunrise reflects off the nose of UP 844. The red Mars light which sat just above the headlight has been recently removed, apparently in an effort to backdate the appearance of t... (more)

Colorado & Sothern operated this rotary snow plow from 1899 to 1965. As the rotary head spun around, snow was sucked inside a chute located behind the head and then it was directed out the side o... (more)

UP 8190 (ES44ACH) gets a wave from a rail fan watching trains run through Cajon Pass.