If you want extreme Missouri is home to some of the best thrill-seeking adventures. From rock climbing in Elephant State Park to zipling in the Ozarks there is something for everyone.
I know it's hot right now, but there will be a time in the summer that is ideal for hiking ad exploring some of Missouri State Parks. There are a few hiking trails that make a list of some of the best to try in the summer.
I am not a big fan of swimming in places where I can't see the bottom. Lakes, ponds, and rivers, but the newly named best swimming hole in Missouri does look like a fun place to visit.