I follow the Friends of the BNSF (Burlington Northern Santa Fe) page on Facebook, and fans mostly post photos of trains in scenic areas and some of the historically interesting pain jobs on the engines.

Burlington Route 9911A (Silver Pilot) and the Nebraska Zephyr set of articulated cars are at West Quincy Missouri on 23 Sep 2012 and this gorgeous "stacked" image (two photo exposures, sky and then track) of Allard, Tehachapi Pass, CA, May 2, 2017.