Somewhere in Kansas, a well-traveled man asked me if I was driving long distances to hit the state's biggest attractions. I paused. That wasn't really how I was thinking about this trip at all. As I settled into driving south to north through the plains states, I discovered something. Wonder doesn't actually require huge detours when you travel with the Atlas Obscura app. Wherever I was headed, there was something unexpected and interesting practically underfoot. So I showed him. I pulled up...