Have you ever wondered what it was like to live in a castle or to frolic on the grounds of a lavish Italian villa? Or even to rough it up in a treehouse or in a traditional Afghani hut? Thanks to Airbnb, you now have the utilities to live out the wildest of your traveling dreams. We found the craziest, most serene, weirdest, most romantic places on the planet for you to stay at. All you need is your credit card.