The front of a westbound BNSF freight approaches Tunnel 1 east of Plainview, Colorado, while the rear of the train passes the detector at mile 22.6 below at the loop over the mouth of Coal Creek C... (more)
Low clouds hang over the valley at Red Pass, British Columbia, on July 14, 2013. A red 40-foot Canadian National boxcar that once carried goods across a vast country now sits in the grass used as ... (more)