First is a subway in Brooklyn, then the second is a layup here in Atlanta with a subway trestle in the background.
Thanks! Yeah, it was a dead track that I was standing on, though, where the train parked. There were some trees directly behind me so it couldn't have gone in my direction. Trains kept passing by the two to the left, though. I've been out to that layup plenty of times, though, so you get used to trains appearing out of nowhere after a while (and you learn which tracks to not go on haha). There's some great graffiti that I didn't get a chance to get pictures of because we were short on time.