UP 6733 (AC4400CW) brings a work train into the North Yard. Meanwhile UP 695 pulls out another cut of cars for sorting.

The Colorado Railroad Museum's RGS 7 "Galloping Goose" gets a workout on weekends during winter when the larger steam engines are in hibernation.

The stretch of track between Greenland and Palmer Lake has some of the best scenery for rail photography, including old telegraph poles that still use the glass insulators.

BNSF 5735 (ES44AC) leads a coal train between Sedalia and Castle Rock, Colorado

BNSF 7931 (ES44C4) crosses the Rio Grande bridge on the northern edge of Monument, Colorado.

BNSF 1929 (SD40-2) crosses a stone archway as it heads towards Palmer Lake, Colorado.

A pair of SD40-2's pull a small freight into Palmer Lake and will head to Monument, Colorado.

After leaving Douglas County and the town of Sedalia behind, BNSF 5735 (ES44AC) runs through Castle Rock, Colorado, which gets its name from the unique rock outcrop that lies in the center of the ... (more)

BNSF 5735 (ES44AC) leads a loaded coal train through Douglas County and past the Chatfield Reservoir which can be seen in the background.

BNSF 7931 (ES44C4) Pulls a double stack train past the iconic red barn of the historic Greenland Ranch.

BNSF 5735 (ES44AC) pulls a loaded coal train through Greenland, Colorado.

The UP assembled an eclectic mix of power to pull a long line of heavy gondolas carrying scrap metal from Denver towards Colorado Springs. Included were UP 6048 (AC4400CW-CTE), UP 8386 (SD70ACe),... (more)

BNSF 1929 (SD40-2) leads a freight towards Palmer Lake, Colorado.

The wide open prairie lands between Greenland and Palmer Lake provide ideal scenery for photographing trains.

BNSF 7931 (ES44C4) leads a double stack along I-25 near Larkspur, Colorado.