Not a terribly urban exploration, but when you live where I do, you take advantage of what is provided, and this really is a worthwhile site.
Unfortunately, while taking one of the last images of the morning, I stepped into a hole and exploded my left foot. On the good side: I pulled the camera and tripod on top of me and saved it from any damage!
The Old Sheldon Church
Formerly known as the Prince William Parish Church
Built between 1745-55
Burned by the British army 1779
Rebuilt in 1826
Burned by the Union army in 1865