The piece linked below is a very long, exhaustive blog report on why a certain pedestrian bridge exists on I-494 in Minnesota. That might not sound like a subject worthy of a lengthy investigation, but author Tyler Vigen goes on a nerdy, obsessive hunt to figure out why a pedestrian bridge that doesn’t seem to really connect to anything came to be.
Stick around till the end. It’s not exactly a twist, but it is satisfying. This is why blogs are still such a great resource.