Westbound stacks round the big curve at Klinefelter with I-40 and US 95 in the background.

Yet another intermodal train heads east through Kingman Canyon on BNSF's transcontinental conveyor belt.

A heavy 3x3 manifest works its way through the world-famous Tehachapi Loop as it heads for Mojave and points beyond.

A Barstow to Stockton manifest works up the short, but steep, grade between Bena and Sandcut.

A colorful international stack train from one of the west coast ports heads for points east through the barren southern California desert.

A westbound Z train heads through the long cut just west of the Colorado River crossing at Topock.

With a fresh crew onboard, a long stack train departs Winslow into the setting sun for its nocturnal run across the desert to the LA Basin.

Golden evening light illuminates a westbound stack train as it makes its way across the BNSF Transcon between Needles and Goffs, California.

Westward bound.

A westbound earthworm trundles across one of the many fills that made this ex-Northern Pacific line through the Clark Fork river valley in western Montana possible.

A short, hot westbound Z marches across the Mojave Desert on a beautiful September afternoon.

A quartet of elephants leads westbound stacks through Kingman Canyon.

Intermodals meet at Cable on the west slope of the Tanachipi Mountains.