Northbound empty coal train passing through Greenland paired with NS 4796.

Northbound empty coal train passing through the bend at Palmer Lake paired with NS 4796.

Southbound coal train going through the bend at Palmer Lake in the evening sunlight.

Amtrak's newest Siemens Airo train passes through Palmer Lake, Colorado on its way to a test track in Pueblo, Colorado.

Amtrak engine #22 (P42DC) makes a rare visit to Palmer Lake, Colorado, as it takes a new Siemens Airo Cascades train to the testing track in Pueblo, Colorado.

Amtrak bringing the brand new Cascades Siemens Airo train through the bend in Palmer Lake on its way to Pueblo, Colorado.

Fishermen and paddle boarders all focus on the new Amtrak Siemens Airo Cascades train, which ran through Palmer Lake, Colorado.

Airo Trainset on Joint Line A 965 1 25A is moving south after leaving Denver a special Amtrak move with new Airo “Cascades” train set for testing at Pueblo, CO. A spirited chase wi... (more)

Southbound coal train passing through the bend at Palmer Lake as hikers look on.

Southbound train carrying Vestas wind turbine components through the bend at Palmer Lake.

BNSF 5993 (ES44AC) runs through the snow as it heads towards Palmer Lake on the Joint Line.

Just before the sun dips behind the mountains to the west, an empty BNSF grain (or potash?) train picks up speed on the downhill run to Denver.

BNSF 5807 (ES44AC) handles an autorack train as it runs south on the Joint Line through Palmer Lake, Colorado.

BNSF 3329 leads a coal train up the grade just north of Palmer Lake Colorado on a beautiful sunny morning.

BNSF 6163 anniversary unit leads a coal train through Palmer Lake Colorado.