Looking for a getaway unlike any other? Take a road trip away from St. Louis to the great outdoors and stay in a tree house in Missouri or Illinois. Your childhood dreams will come true at these eight tree houses, all of which are on offer for guests to spend the night. They're so much cooler than your typical tent -- and some even come with perks for those who don't like to rough it, like air conditioning and running water. Sound good to you? Take a look at these different options, and start planning your escape.