The hotel room with no walls or ceiling - but you'll still want to stay there — Photo by telegraph.co.uk

The first incarnation of this hotel was a zero-star offering in an underground nuclear bunker, but its second has more stars than any other in the world. This summer the Null Stern Hotel, holiday accommodation in art form, opens its only room, without walls or a ceiling, beneath the night sky on a mountain-side in Graubünden in Switzerland. In 2008 it was in a bunker in St Gallen.

Read the full article at telegraph.co.uk