Eastbound Southwest Chief rolls through Canoncito Siding, approaching Apache Canyon and Glorieta Pass, north of Lamy, N.M. Shot with 100 speed Provia slide film with 50mm lens.

Amtrak's California Zephyr curves along the Colorado River near Bond, Colo., between Kremmling, Colo., and Burns, Colo.

The westbound California Zephyr rolls through the lush mountains and landscape after leaving picturesque Gore Canyon.

The Southwest Chief approaches lava flows just east of Grants, N.M., en route to Albuquerque, N.M. Shot with Provia 100 slide film.

The eastbound Southwest Chief rolls through the canyons and grades near Glorieta, N.N.

The eastbound Southwest Chief rolls through Rowe, N.M., en route to Raton Pass, Colorado, Kansas, Missouri and Chicago.

Amtrak's Southwest Chief passes the Wagon Mound landmark on the south side of Wagon Mound, N.M.

Amtrak's California Zephyr picks up speed along the Colorado River as it leaves Little Gore Canyon west of Kremmling, Colo. Shot with 35MM-80MM lens

The eastbound Southwest Chief starts its negotiation of the famous Horseshoe Curves, between Albuquerque, N.M., and Las Vegas, N.M. Shot with 50MM lens, 200 speed film.

Amtrak's eastbound Southwest Chief passes scenic Devil's Footstep, between Lamy, N.M., and Albuquerque. Shot with 80-200MM zoom lens, 200 speed film.

The Southwest Chief rolls down the grade after mounting Raton Pass on the Colorado- New Mexico state line.

Shot, very quickly, along hwy. 40 after leaving Byers Canyon. Engineer sounded his horn at me, as if I was going to cross the tracks in front of the train.

The westbound Southwest Chief rolls through the sidings on the north side of Raton, on the way to its station stop.

The Southwest Chief prepares to cross I-40 as it races across western New Mexico just east of Grants, N.M., en route to Albuquerque, N.M.

The California Zephyr rolls along the Colorado River eastward towards Bond, Colo., Gore Canyon, Byers Canyon, Fraser Canyon, the tunnel district and Denver.