With Monkey Face Mountain in the background, BNSF 9023 (SD70ACe) runs over the historic Santa Fe Bridge in Larkspur. Colorado.

BNSF 9023 (SD70ACe) heads towards Larkspur on a snowy April 15th.

Snow showers while the sun is shining catches Pacific Fruit Express #1048 at Strassburg, Colorado. The NW2 was built in 1946.

BNSF 6394 ES44AC runs south on the Joint Line and heads to Larkspur, Colorado.

BNSF 9023 (SD70ACe) runs past the iconic red barn in Greenland, Colorado.

BNSF 4340 (Dash9) brings a freight into the yard in Fort Collins, Colorado.

Its always a treat to see a Bluebonnet still working the rails. The Geep runs from Longmont to Broomfield on Wednesdays of each week.

BNSF 2854 (GP39-2) runs past the cooling ponds of the former Valmont Power plant in Boulder, Colorado.

A golden sunrise at Roggen, Colorado catches the California Zephyr passing a silo as it heads to Denver on the Brush Sub.

Ribbons of steel rail glow in the golden sunrise at Roggen, Colorado as the California Zephyr heads towards Denver on the Brush Sub.

UP 5340 (ES44AC) approaches a crossing at Winter Park, Colorado as it heads east on the Moffat Tunnel Sub.

The California Zephyr passes Barr Lake in Brighton, Colorado at sunrise as it heads towards Denver on the Brush Sub.

The California Zephyr passes a string of hoppers that are reflecting the golden glow of a Colorado sunrise.

Webb Rail's Budd-built Pullman "Pacific Union" (former Union Pacific Railroad) and Budd built Pullman observation/diner car "Babbling Brook" (former New York Central Railroad) ... (more)

A bright sunset catches a rare sight at the steam shop in Cheyenne, Wyoming as a lineup of rare locomotives faces west, including UP 844, UP 5511, UP 'Big Boy' 4014 and UP 'Challenger' 3985.