For many people a hotel is only a place for having a sleep. Here are the  top 20 most unusual hotels in the world,  that will give you a most  entertaining destination for your next great vacation!

1.  California’s Madonna Inn, USA
With tons of wacky themed rooms,  there’s nothing dull about California’s Madonna Inn. Take the “Yahoo”  room, where the bed looks like a carriage and horns hang above the bed;  or the “Rock Bottom” room where your bed appears sudmerged into a cave.

2.  The Galactic Suite Space Resort, Barcelona
When The Galactic  Suite Space Resort opens for business in 2012, well-heeled guests will  be charged $4.4 million for a three night stay at the first planned  hotel in space – eight-week training course on a tropical island  included.

3.  Goldfish Hotel at Amsterdam airport
This bizarre hotel is not for  you, it’s for your goldfish. Billed as the world’s first goldfish  hotel, it sits in the Amsterdam Schiphol airport and fish owners can  drop off their scaly pets for the duration of their vacation, The  five-sea-star hotel includes a tennis court, a beach with beach guard  and a pool with slide.

4.  The Everland Hotel, Paris
This ‘crazy’ little pod is, in fact, a  hotel. The Everland Hotel has only one bedroom, one lounge and a  bathroom. “All facets are important constituents of the artistic idea:  The room can be booked for one night only, the mini-bar is fully stocked  and included in the price, breakfast is delivered to the door and a  record collection stands at ones disposal.

5.  The Gamirasu Cave Hotel, Turkey
Some people pay to sleep in a  cave. The Gamirasu Cave Hotel in Turkey is one such place. The cave  “used to be a Byzantine monastic retreat, dated to about 1,000 years  old,” Now, visitors can sleep where the monks slept, in a cool Turkish  cave.

6.  The Capsule Inn, Japan
The Capsule Inn in Japan is one small  sleeping space. Or maybe ‘space’ isn’t the right word, maybe sleeping  ‘pod’ is more like it.

7.  Utter Inn Stockholm, Sweden
The Utter Inn is yet another of  Mikael Genberg’s creations in his inimitable style. The Utter Inn is an  underwater floating hotel with a typical swedish red house as the top  floating part and an aquarium as the bedroom. Guests are taken by boat  to the hotel, given instructions and then left alone. If they choose the  deluxe package they will also get a dinner delivered by boat.

8.  The Giraffe Manor, East Africa
The Giraffe Manor is an exclusive  hotel in East Africa famous for its resident herd of giraffe. But the  giraffes don’t just wander the grounds the eat dinner with you by  sticking their heads through the windows.

9.  Mardan Palace Hotel, Turkey
What makes Mardan Palace Hotel  ‘crazy’? It’s sheer cost: it is billed as Europe’s most expensive hotel.  It cost roughly $1.4 billion to build, and Mariah Carey, Sharon Stone,  Richard Gere and Paris Hilton all attended its opening, according to  Luxury Travel Advisor. A stay at this hotel on the Turkish Riviera could  run you up to $18,000 per night. At the Mardan Palace Hotel, “it takes  half an hour to cross the pool (by gondola, naturally). The spa has a  room full of real snow. The bathrooms have gold-plated mirrors on the  floor,”.

10.  Das Park Hotel, Linz, Austria
The Das Parkhotel is “constructed  from repurposed, incredibly robust drain pipes. The external simplicity  surrounds an unexpectedly comfortable interior – full headroom, double  bed, storage, light, power, woolly blanket and light cotton sleeping  bag. All other hotelery devices (Toilets, showers, minibar, cafe, etc)  are supplied by the surrounding public space,”.

11.  The Hotel IM Wasserturm, Germany
Exclusive, unique, a  one-of-a-kind experience – the Hotel im Wasserturm, international luxury  hotel in what used to be Europe’s largest water tower, is one of the  most unusual hotels in Germany. Classified as a heritage site, you will  find an extraordinary interior design of timeless modernity behind its  130 year-old walls,”.

12.  Jumbo Hostel in Switzerland
It’s certainly not easy to sleep on  the airplane. Unless you count the Jumbo Hostel in Switzerland. “Here  you can spend the night onboard a real jumbo jet.

13.  Burj al Arab Dubai
Dubai is known for its opulence and the Burj  al Arab is no exception. This crazy hotel is designed to look like a  blowing sail. The Royal Suite in this pricey hotel costs $14,976.  The  suite is 8,400 square feet, offers a rotating bed and private cinema and  overlooks the turquoise Arabian sea.

14.The  Shady Dell, Bisbee, Arizona
The Shady Dell offers visitors the  opportunity to sleep in one of nine vintage aluminum trailers in Bisbee,  Arizona. “Whether it is the 33 foot Royal Mansion built in 1951 and  restored with leopard carpet, martini glasses, Diner-style breakfast  booth and phonograph with a collection of 78rpm records, or the 1947  Tiki Bus Polynesian Palace, complete with hand-carved outrigger bar and  your own Tiki God, the Shady Dell’s individual trailers will surely send  you back to a time when freedom was just another word for jumping in  your aluminum house on wheels, finding the Rat Pack on the radio and  navigating the open road in search of your own slice of the American  Dream,”.

15.  The Hobbit Motel, Woodlyn Park, Waitomo, New Zealand
The Hobbit  Motel is a brilliant motel made with a creative bent. Located at Woodlyn  Park in Waiton, the motel has a warm and homely feel. The world’s first  hobbit Motel started as the only motel with a U –Drive Jet course.  Later Billy Blacks Kiwi Cultural show attracted and amazed people from  all around the globe. The motel also has a bar and restaurant to  entertain people. In other words, The Hobbit motel adds a unique  dimension to the culture of New Zealand.

16.  Magic Mountain Hotel, Panguipulli, Region X, Chile
Magic  Mountain Hotel is located within the Natural Reserve Huilo Huilo about  56 km / 35 miles from Panguipulli. The Lodge was built using exclusively  local wood and has a very unique architectural style similar to a  volcano. The cozy 9 superior rooms are decorated in a warm natural and  pleasant mountain style. Additionally the lodge offers 10 rustic  log-cabins. The general facilities include a cozy restaurant that  prepares local specialties, bar, natural tree trunk hot tub, sauna,  mini-golf court and internet access.

17.  Quinta Real Zacatecas, Mexico
One of the world’s most unusual  hotels, Quinta Real Zacatecas is built into the grandstand of the  restored San Pedro bullfighting ring, which was built in the 19th  century and witnessed its last corrida in 1975.

18.  The Marmara Antalya, Turkey
This revolving hotel is a feat of  engineering. The 2750-ton building floats in a tank of water, allowing  smooth rotation and giving guests constantly changing views of the  Mediterranean.

19.  Kumbuk River Resort, Buttala, Sri Lanka
KumbukRiver is a 16-acre  oasis nestled on a resplendent corner of Sri Lanka’s south-east.  Made  famous by its massive 2-story primary villa in the shape of an elephant,  this eco-lodge is situated on the banks of a lively river on the edge  of Yala, Sri Lanka’s premier wildlife sanctuary. Lanka’s premier  wildlife sanctuary. While you can sleep in the elephant’s belly, the  resort also features two other chalets for larger groups. Small groups  are have exclusive use by reserving the entire resort.

20.  Null Stern Hotel, Switzerland
Billed as the world’s first  zero-star hotel, the Null Stern Hotel occupies the underground space of a  nondescript apartment block. The hardened concrete structure and  near-two-foot-thick blast doors were designed to take the full brunt of a  nuclear or chemical attack.