Right off the Lule River in Sweden, there is another unique hotel where people can get a room for a night. This hotel, similar to Sweden's IceHotel, is called TreeHotel and is keeping with the theme of forests and trees. Each room that they have is unique and has a contemporary design. One looks like a glass box, another looks like a hovering spaceship, and even one is made of tree branches.
While we can't see what is inside these unique rooms, their exteriors are works of art, and, amazingly, these are also functioning rooms rather than just pieces of art.