The craziest Airbnb designs that just won $100,000, from a ghost town gondola and acorn treehouse to a salt cave and Koi fish dome-house,

These days, anyone can rent an apartment through an online platform.

The properties were stocked with a grand piano.

There is a category for those who want to step inside anAirbnb and have their mind blown.

100 winners from more than 20 countries were chosen by judges to receive $100,000 each. Next summer, the properties will be ready for guests. The recipients received $10 million from the company.

There were many common themes submitted, including astronomy, musical themes, fruit-, mushroom- and wine-inspired, and solar panels to boost sustainable energy.

It's really amazing! The recipient of the fund said his house was all about the connection with nature. The best memories of my childhood come from our family farm. There is something special about it that I just relate to. I want to share it with more people.

There are more winning designs on this page.