Since I walk around with a decent camera on me most of the time, I've been attempting to make use of it beyond taking pictures of old cars. You have already seen some of these experiments, such as this Orange Line train, construction in Downtown Crossing, or these rooftop shots.
T stations are not the most photogenic locations, but waiting around for 20 to 30 minutes for a bus can be a
catalyst for creativity. The other day I was standing next to a concrete
pillar at Wellington when I noticed a pipe running down it, and a
groove in the concrete where the sections of concrete were
joined together. I leaned over and looked through the space between the
pipe and the groove, and then thought to take a photo of it: