Red Kite Tree Tents , Builth Wells , Powys , Wales ; +44 1865 764 087 ; from $ 464 for a three-night stay . Wilson Park , Australia , has just six tents available to guests . Human Nest in United States gives guests a chance to fly like a bird . Hüttenpalast in Germany brings the camping experience indoors .
Wilson Park , Australia , has just six tents available to guests . Human Nest in United States gives guests a chance to fly like a bird . Hüttenpalast in Germany brings the camping experience indoors .