The Qbic Hotel in Amsterdam opened in 2007 and features a cube-shaped room, television, safe and internet connection.
Stay in a drain pipe at the Dasparkhotel in Germany.
Daring travellers can stay in a wine cask at the Hotel De Vrouwe Van Stavoren in the Netherlands.
Capsule hotels are all the rage in Japan and give business people a place to sleep.
The Yotel is a tiny hotel room located at Heathrow Airport, London, or Schipol, Amsterdam that can fit two people and includes a pull-down working desk and room service.
New York City's Jane Hotel features standard and bunk-bed cabins of less than five square meters.
The Cedar Creek Treehouse is built in a cedar tree in Washington, U.S.
New York's Pod Hotel has tiny rooms.
Budget hotel chain EasyHotel is located in Europe and is planning to spread to the Middle East.
Minute Suites opened last year at Hartsfield-Jackson Atlanta Airport, US, offering a sofa, television, chair and desk - but no toilets.
From sleeping in a wine barrel to a drain pipe, take a look at some of the world's smallest hotel rooms. Click here for more from news.com.au Travel