Summer is here, which means the temperature is hot, hot, hot. And while that might be annoying at times, the upside is it gives you an excuse to hit up a water park. They aren't just a great way to cool down and beat the heat, but they are fun, too. That's why we rounded up 100 of the best water parks across the United States—including a couple from each state, so you can easily find a water park near you. No matter if you want to go by yourself to relax in a pool or lazy river, head to one with some friends for something to do, or pack up your entire family for some fun in the sun, we've got you covered. We found water parks—indoor and outdoor—that are known for their tall slides, ones where you can surf, and even ones with natural mineral water and hot springs. Every single of them has a wow factor that will make you want to visit them, which is why they also make great places to spend time while you're on vacation. Check out our list of the 100 best water parks in th...