The Bird’s Nest Tree House (Sweden) . This tree house, by the creators of the Tree Hotel, might confuse the birds even more. Although it looks like a massive nest from the outside, the house has a modern and high-standard room built inside.
The owner of this hotel loved tree houses when he was a kid.
das Parkhotel (Drain Pipe Hotel)Austria Made from recycled drain pipes. There is actually no set fee to say in the Drain Pipe Hotel, you pay what you can and that is enough for them. (What a super idea).