Amtrak’s eastbound California Zephyr emerges from the shadowed 75-foot bore of Tunnel 29 just east of Pinecliffe, Colorado, on the afternoon of September 15, 2018.

Harkening back to a time when waves of armor yellow painted EMD SD40-2s were standardizing road power on Union Pacific's portion of the Overland Route, a trio of North Little Rock 'rebuilds' burst... (more)

Amtrak’s California Zephyr hustles along the Colorado River under the imposing cliff of Dodge’s Bluff just east of Utaline, Colorado, on June 13, 2009. This former Rio Grande route through bea... (more)

Pan Am Rumford-Portland freight crossing the Androscoggin River in Auburn, ME with MEC 507 (GP40-2LW) leading.

The depth and ruggedness of the Royal Gorge west of Canon City is evident in this view perched on the suspension bridge over the canyon that is 955 feet above the Arkansas River. On July 26, 1996,... (more)

A Coaster F59PHI shoves a mid-morning service along the cliffs at Del Mar back towards San Diego.

The Wengernalpbahn may be the world's longest cog railway, but it looks like a toy up against the imposing cliffs and mountains that loom over the small Swiss village of Lauterbrunnen.

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)