Remember those lines criss-crossing maps and globes? Latitude and longitude?
Well, there are over 64,000 intersections of whole degrees and somebody had the bright idea people should visit them and post a picture.
The project is an organized sampling of the world. There is a confluence within 49 miles (79 km) of you if you're on the surface of Earth. We've discounted confluences in the oceans and some near the poles, but there are still 11,255 to be found. [More]All 15 in IL are done. This is the closest one to me.