UP 3880 (SD70M) leads a freight through Nunn, Colorado as it heads south towards Greeley on the Greeley Sub.

Union Pacific Big Boy #4014 meets a southbound freight at Nunn, Colorado as it heads north on the Greeley sub back to Cheyenne, Wyoming.

UP 6058 (AC4400CW-CTE) set out a cut of cars at Nunn, Colorado on the Greeley Sub.

Union Pacific's Big Boy locomotive #4014 (4-8-8-4) runs past a crowd of amazed onlookers at Nunn, Colorado.

From the files of "won't happen again", #3985 is seen pulling the Ringling Brothers, Barnum & Bailey Circus Blue Unit to Denver. Certainly now a once-in-a-lifetime event for me.

Watch Nunn Grow!
On a hot summer afternoon (over 100 F!), UP 844 leads UP's Challenger, 3985, through Nunn, Colorado on the way to Denver on the Greeley sub. This is a positioning m... (more)

On May 2, 2019, the Union Pacific Railroad's Big Boy 4-8-8-4 #4014 made a test run from Cheyenne, Wyoming to Nunn, Colorado, before turning back due to time constraints for the steam crew. As the... (more)

Big Boy under steam and under the stars

Big Boy under steam and under the stars

Big Boy under steam and under the stars

Big Boy under steam and under the stars

Tonight while witnessing this piece of history, I was reminded of Field of Dreams. Early on, Kevin Costner stands up and admires the baseball field he has created where there once was a profitable... (more)

In last light (literally), Union Pacific SD70ACe No. 1996 leads this loaded coal train from West Elk Mine, Colorado to Avon, Ohio north out of Nunn, Colorado, near the US-85 overpass, on December ... (more)

The famous UP 844 makes its way south on the Greeley Sub towards Denver with the annual Cheyenne Frontier Days Train.

Union Pacific's "Living Legend" 844 brings the southbound equipment positioning move for the 2018 Frontier Days train south as it nears the town of Nunn, Colorado. The crossing seen towa... (more)