Airbnb will now let you search for barns, caves, castles, windmills, and more

Have you ever wanted to disappear into a cave for a few weeks, but you just couldn't care less where that cave is located? Now you can!

On Wednesday, Airbnb launched three huge changes to its service, including a new way to search on the site that makes it easier for you to find wacky stays — like, say, in a cave.

"The...