With the rise of Airbnb, travelers are able to experience adventure in an entirely new way. Whether it learning about local hot spots from hosts, seeing a less touristy side of a city, or simply staying and playing in solitude, unique Airbnbs can take a travel experience to the next level. It's no surprise that the U.S. is chock full of fantastic accommodations. From treehouses to train cars to tents, bring your next trip up a notch by staying in one (or all) of these incredible Airbnbs in the US.