On a cold and snowy Saturday afternoon, BNSF’s Provo, UT to Lincoln, NE manifest emerges from Tunnel 4 next to the Flatirons of the Rocky Mountains on January 12th, 2019.

A Union Pacific officers special creeps out of tunnel 39 into Little Gore Canyon on its way to Grand Junction.

Goods train passing Shidu tunnel. Beijing

A westbound Union Pacific passenger train passes through colorful Red Canyon just after crossing the Colorado River between Dell and Range, Colorado, on August 3, 2014. This location is on the Dot... (more)

BNSF’s Cowley turn out of Greybull, Wyoming, follows the Bighorn River past steep rock walls into Sheep Canyon on the hot afternoon of June 23, 2016. Two EMD SD70MACs power the southbound train ... (more)

Armour yellow never looked so good on the D&RGW

Union Pacific SD70AH #1943 'The Spirit of Union Pacific' leads a Denver to Grand Junction officer special across the Colorado River along the ex D&RGW Dotsero Cutoff.

After making its station stop in Granby, Amtrak's westbound "California Zephyr" snakes along the Colorado River in scenic Byers Canyon just west of Hot Sulphur Springs, Colorado, on Sept... (more)

Amtrak's eastbound "California Zephyr" pops out of Tunnel 1 in Coal Creek Canyon as it descends down the 2-percent grade towards Denver, on September 29, 2018.

A New Mexico Rail Runner races across the New Mexico landscape south of Santa Fe bound for Albuquerque while ominous dark clouds provide a backdrop on a gorgeous July afternoon.

In the late afternoon sunlight and scorching hot temperatures, Amtrak’s three hour late westbound California Zephyr rolls along the banks of the Colorado River at Shoshone Siding near Glenwood S... (more)

A westbound Union Pacific empty coal train works its way upgrade thru Tunnel 29. The train is approaching Pinecliffe, Colorado. The train has been steadily climbing along South Boulder Creek sin... (more)

Completed by 1953 Union Pacific's third main track over Sherman Hill, also known as the 'Harriman Line', traded 10 extra miles for an easier gradient for heavy westbounds on the busy Overland Rout... (more)

A former Burlington Northern EMD SD60M still in Cascade green paint leads BNSF’s Cowley turn through rugged Sheep Canyon north of Greybull, Wyoming, on June 22, 2017. This arresting locale is al... (more)

On the morning of June 23, 2001, a summer edition of the Rio Grande Ski Train climbs the two-percent grade in “South Draw” between Tunnels 16 and 17 east of Crescent, Colorado.