From a lodge sculpted from ice to one made from metal sheets, there are an infinite number offbeat hotels that re-think the traditional B&B.
One open-air hotel, called Null Stern, elimiantes walls and a roof altogether. Located in the middle of the Swiss Alps, it only features a bed with linens.
In German, the hotel's name translates to "zero stars."
"The star is not the hotel but each guest," the hotel's co-founder, Daniel Charbonnier, tells Tech Insider. "We got rid of all the walls, and the only thing left is you and your experience."
Take a look.
Located 6,463 feet above sea level, the Null Stern sits in the middle of the Swiss Alps. It costs about $210 a night.

To install the bed on the mountains, a construction crew flattened the land.

The hotel has no walls, roof, or bathroom — only a queen bed with a pair of nightstands and lamps. A public bathroom is about a five-minute walk down the mountain, Charbonnier says.

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