If you're truly looking for a path less traveled, there is one in Missouri you need to consider. It's been named one of the best off-the-beaten path parks in the state and I'm convinced that's not wrong as it's full of streams and waterfalls.
This mansion hidden in plain sight in the Midwest is a dreamy place and that's just what you can see above ground. However, it's the massive 5,000 square foot soundproof doomsday bunker that's underneath it that makes it endlessly compelling.
If you love the golden age of trains, there's one you need to know about that traverses the lands of southern Missouri into northwestern Arkansas and just so happens to go over a jaw-dropping railroad bridge, too.