Rio Grande Southern 20 and Denver & Rio Grande Western 491 rest on the point of their trains on a beautiful May morning.

Denver & Rio Grande Western 491 leads its freight train upgrade through The Cut on a sunny May afternoon.

Denver & Rio Grande Western 491 starts up the hill on a run around the Colorado Railroad Museum track.

Fireman Sam Kunugi shovels coal into Denver & Rio Grande Western 491's firebox on a cool May night.

Rio Grande Southern 20 steams onto the turntable on a beautiful spring morning.

Rio Grande Southern 20 couples onto its passenger train on a sunny May morning.

Denver & Rio Grande Western 491 and Rio Grande Southern 20 simmer in the roundhouse on a cool May night.

The sun shines off of Rio Grande Southern #7 Galloping Goose which sits at the Colorado Railroad Museum in Golden, Colorado.

BNSF 2708 (GP39-2) holds station in the BNSF yard in Golden, Colorado.

It's the golden hour in Golden Colorado and DRGW 5401 is seen stuffed and mounted at the Colorado Railroad Museum.

BNSF 1958 (SD40-2) runs into the late setting sun in Golden, Colorado.

BNSF 1958 (SD40-2) crosses a road in Golden, Colorado as it heads to the BNSF yard adjacent to the Coors Brewery.

BNSF 1958 (SD40-2) passes a box car destined for the Beer Train as it arrives in the yard supporting the Coors Brewery operations.

BNSF 1958 (SD40-2) crosses a road in Golden, Colorado as it heads to the yard next to the Coors Brewery.

BNSF 1958 (ex-Burlington Northern SD40-2) heads to a yard in Golden, Colorado.