Rio Grande Southern #20 (4-6-0) burns some coal as it leads a passenger train towards the depot at the Colorado Railroad Museum in Golden, Colorado.

Rio Grande Southern locomotive #20 (4-6-0) takes a spin on the turntable at the Colorado Railroad Museum.

Union Pacific #4455 is an 0-6-0 built in 1920 by the Lima Locomotive Works and had a long career, having retired from service in 1970.

Rio Grande Southern #20 (4-6-0) takes a spin on the turntable and is seen between two of the Colorado Railroad Museum's four Galloping Geese motors.

Rio Grande Southern #20 (4-6-0) lets off steam as it heats up for the evening's run of the Polar Express.

Colorado & Southern Rotary Plow #99201 sits on a track at the Colorado Railroad Museum.

Rio Grande Southern #20 (4-6-0) puts out an impressive plume as it runs around the grounds of the Colorado Railroad Museum.

Rio Grande Southern #20 (4-6-0) makes a lap pulling vintage passenger cars around the grounds at the Colorado Railroad Museum in Golden, Colorado.

BNSF Executive MAC 9709 leaves Golden, Colorado for Denver in a heavy snowstorm.

Rio Grande Southern #20 (4-6-0) gets ready to leave the roundhouse at the Colorado Railroad Museum.

Rio Grande Southern #20 (4-6-0) passes Santa's workshop at the Colorado Railroad Museum in Golden.

The Colorado Railroad Museum's Denver & Rio Grande Western #318 (a Baldwin 2-8-0 built in 1896) has been moved to the track adjacent to the roundhouse.

An Executive Grinstein SD70MAC crosses a road in Golden, Colorado as it leads the Beer Train from the Coors Brewery to Denver in a snowstorm.

BNSF Executive Grinstein 9709 gets ready to leave the Coors Brewery as a heavy snow blankets Golden, Colorado.

DRGW 491, a 2-8-2 locomotive built by Baldwin Locomotive Works in 1902, runs past the functional water tower at the Colorado Railroad Museum.