>>20806I've been there, nice place but very cold. Gonna post some of my favorite spots in Missouri, since it's my home turf.
Missouri has 93 state parks, and they are so well-maintained that many other states based their state park program on Missouri's. So here's a few of my personal favourites that I've visited.
Elephant Rock: great place, good fishing, big ass rocks which are fun to climb on. Great place to bring the kids.
Knob Noster: good group camping. Lots of picnic gazebos and amphitheaters that you can reserve.
Johnson's Shut-ins: good for hiking and "rock climbing" (there are no mountains in Missouri but we have some rocky cliffs). Also do not trust the fishing here, it's nothing of value. Learned that the hard way.
Onondaga Cave: best spelunking in the state. Obviously all warnings for spelunking apply, bring a helmet, pads, and light. I went here as a kid and got trapped in a tunnel, my friend had to drag me out by my feet. I still have claustrophobia from it.
Ha Ha Tonka: best park in the state. Beautiful hills and forests, with a freshwater spring, a cave to explore, and 'castle' ruins at the top of a hill (there are no castles in US, but it's pretty damn close). The attached pictures are all from Ha Ha Tonka.
Overall definitely worth a trip from out of state. We have a lot to offer.