After leaving Gettysburg, we hopped over to Antietam National Battlefield. It was our first time visiting, and we found it to be much more our speed; smaller, quieter, less people-y. We started at the newly-renovated Visitor Center. It’s small but has a nice little store and the usual friendly staff. We got there in time to be a part of an interesting talk with Ranger Olivia not about the battle itself, but about perceptions and interpretations of this bloodiest day. We learned that the six upside-down cannons around the battlefield indicate where a general was killed or mortally wounded, and…