A westbound grain train on a very cold winter morning.

Fresh Snow and Sunshine in Rural Boulder County

Fresh snow lines the Front Range Subdivision near Westminter, CO on a Holiday Greeting Card morning.

The BNSF Holiday Train rolls through Valley Center, Kansas on its return trip back to Wichita. BNSF 3907 trails last

The eastern sky is brightening, but the yard lights are still on at 6:39 am as BNSF Railway's 2015 California Division Christmas Train begins to come to life in preparation for the day's run to Ba... (more)

The California version of the BNSF Christmas train passes through the area of the old Cajon train station.

The 2015 BNSF Christmas train with new Tier 4 compliant engines on each end . BNSF No. 3907, rolling the Christmas train westbound down the hill, passes a Union Pacific train stopped on the hill f... (more)

The 2015 BNSF Christmas train with new Tier 4 compliant engines on each end. BNSF No. 3907, leads the train westbound, down the hill from Summit back to San Bernardino.

BNSF's Christmas train descends down the Arizona Divide, near Flagstaff, after spending the weekend in Southern California. Just the day before, Flagstaff received 5.3 inches of snow.

BNSF's Christmas train kicks up fresh powder at Bellemont on the western slope of the Arizona Divide on its eastward journey to Topeka, KS.

The 2015 BNSF Christmas train with new Tier 4 compliant engines on each end. No. 3908 and No. 3907 sparkle in the morning sun.

BNSF Railway's annual California Division Christmas Train lays over between its morning and afternoon runs on December 12th, 2015. This train, symboled O-SBDSBD2-12A, carries children in need fro... (more)

BNSF 3907 leads the return trip down Cajon Pass as the first round trip from San Bernardino to Summit raps up as the train passes hill 582.

Brand new BNSF 3908 leads the 2015 Christmas Train up Cajon Pass as it enters Sullivan's Curve.

Just below Pine Lodge in Cajon Pass, the BNSF's annual Southern California Christmas train glides down main track 1 of the Cajon Subdivision on its return trip to San Bernardino.

A brand new ET44C4 engine brings up the rear of the BNSF Railway's Southern California Christmas train as it approaches Swarthout Canyon in Cajon Pass on a cold December morning.