Union Pacific No. 844 passes through the fields of Colorado, just south of Greeley, on its way back to Denver.

UP 844 accelerates out of Greeley with the Frontier Days' special for Cheyenne.

This photo captures No. 844 leading the Cheyenne Frontier Days The Denver Post train away from the Denver Skyline to a stop in Greeley, and eventually Cheyenne, WY.

After the area got pounded by a Severe T-Storm, the sun peeks out of the clouds, along with a nice cold breeze to accompany it. The sound of a steam engine can be heard off in the distance. Seen h... (more)

UP844 roars alongside the Arkansas River near Texas Creek. The Union Pacific closed Tennessee Pass in 1997, but they sent it out in STYLE!

Congratulations to the entire Union Pacific Steam Crew, Union Pacific Railroad, and every one that helped get No. 844 back on the road for all to enjoy.

The Cheyenne Frontier Days Train crosses the Wyoming Prairie under threating sky's on the return trip to Denver Colorado Congratulations to the entire Union Pacific Steam Crew, Union Pacific Railr... (more)

UP #844 nears Cheyenne and the Frontier Days' Rodeo as it rounds the signature curve at Terry Ranch Road on the northbound journey.

After a 3 year absence from the mainline, UP 844 is back in service pulling the Cheyenne Frontier Days Denver Post Special, seen here at Sand Creek, CP W005 on the UP Greeley Sub. Today the speci... (more)

It takes a team... Through the hard work of Union Pacific's dedicated steam crew Union Pacific's 1944 veteran ALCo FEF-3 made a successful return to the Denver Post's annual Frontier Days special ... (more)

With a sold out 22 car train of passengers eager to attend the open day festivities and accompanying rodeo at Cheyenne, Wyoming's annual Frontier Days Union Pacific FEF-3 #844 leads the charge out... (more)

Built in December 1944 by the American Locomotive Company (ALCo) Union Pacific 844 holds the distinction of being the last new steam locomotive purchased by Union Pacific, wrapping up a legacy of ... (more)