Hotel Russia

The Null Stern Hotel in Teufen, Appenzellerland, Switzerland and the Concrete Mushrooms in Albania are former nuclear bunkers transformed into hotels.
Shoe hotels
Shoe hotels are hotels built into a giant shoe. The idea was inspired by the "Old Woman who lived in a shoe" myth. The largest such hotel is currently in Hokkaido, Japan. The most popular shoe hotels are modelled after a woman's platform dancing shoe.