Six of the most unique Airbnbs in the US revealed, from a missile launch site to a giant shoe

Feel your vacations have been missing the OMG factor recently? Then check out these six incredibly unique U.S. Airbnbs.

There's an out-of-this-world flying saucer-shaped house, a five-story abode in the form of a giant shoe — even a rental inside a former ballistic missile launch center.