10 Most Unusual and Unique Hotels of the World | Imagine a hotel built from thousands of tons of snow and ice, and re-built every winter” – that is ICEHOTEL in the little village of Jukkasjârvi in northern Lapland, Sweden.
The original ICEHOTEL, first created in the early 1990’s has become the global ambassador for this genre and now licenses ICEBARs around the world too. With 80+ rooms and suites, the property is a huge undertaking to be rebuilt every year, and their expertise inspired other similar properties in North America (Hotel du Glace Quebec) and elsewhere.
1. Ice Hotel | Jukkasjârvi, Sweden

 
2. Giramisu Cave Hotel |  Urgup,Turkey

Gamirasu is the name of an exquisitely restored 30 rooms troglodyte cave house opened in 1999, in Ayvali Village near Urgup in the heart of Cappadocia, Turkey.
The hotel is located in a restored thousand-year-old Byzantine monastic retreat which offers modern conveniences without distracting from the spiritual feeling of the area which has been known to be inhabited for more than five thousand years.
Gamirasu cave Hotel is featured in major international travel guides as one of the best cave hotels of Cappadocia. It is also mentioned as a romantic escape for honeymoons in wedding magazines.
3. Ariau Amazon Towers Hotel | Centro Manaus, Brazil

Ariau Amazon Towers Hotel is the only hotel complex at tree top level in the Amazon Rainforest. Ariau Amazon Towers Hotel is located 35 miles from Manuas, Brazil at the confluence of the Rio Negro and Ariau Creek. Built entirely at the level of the Rainforest Canopy, Ariau’s towers are linked together by 4 miles of sturdy wooden catwalks. This architectural wonder affords visitors a unique communion with the regions abundant flora and fauna while leaving the fragile eco-system completely undisturbed.
Situated on the right bank of the Negro River, part of the National Park of the Negro River and at the beginning of the Anavilhanas Archipelago, the largest fresh water Archipelago in the world.
4. Fantasyland Hotel | Edmonton, Canada

The Fantasyland Hotel offers 118 fantasy theme rooms available in eleven different styles, so guests can hit the sack in the back of a pick-up in a Truck Room, relax in a classical Roman room or escape to the islands in a Polynesian room.
5. Jazz Hotel |  Barcelona , Spain 

The location of this sleek property near Plaza Catalunya is “perfect because it’s well away from the crowds and noise” but still a short walk from the Ramblas. “Middle-of-the-road rooms” liven up a neutral palette with artwork and bright pillows. The outdoor rooftop pool has “views worth the price of your stay.” Staff “are friendly”; expect only a breakfast buffet since there is no restaurant on-site.
6. Desert Cave Hotel | Coober Pedy, Australia 

The Desert Cave Hotel allows you to experience dug-out style living, underground shops, bar and opal display areas – all within sandstone surrounds in the heart of Coober Pedy.
Sleeping underground is a unique experience. Quiet, cool, dark and airy – the rooms are spacious with high ceilings. Enjoy fine dining, splash in the pool, relax in the spa, workout in the gym or browse in the cool comfort of the underground shops. .
The Desert Cave Hotel, famous as the only international rated underground hotel in the world, allows you to experience dug-out style living. It’s the experience of a lifetime.
7. Snow Hotel, Kemi, Finland 

On the Northern coast of the Gulf of Bothnia the SnowCastle of Kemi is a magnificent example of the great talent and skills of local architects and their builders. Inside the towering walls of the SnowCastle both children and adults can find unforgettable experiences. The Artwork of ice and snow with lights and sound effects is a delight for the age and soul in this wintry scenery.
8. Library Hotel | New York, USA

10 Most Unusual and Unique Hotels of the World | The Library Hotel in New York City is the first hotel to arrange guestroom floors, room art and reading material in the 10 major categories of the Dewy Decimal System* of book classification. Floor choices include Science and Math, Language, Literature, History and Technology – with sub topics further defining individual rooms. Each of the 60 rooms is uniquely adorned with a collection of books and art exploring a distinctive topic within the category or floor it belongs to.
9. Kakslauttanen Hotel and Igloo Village | Kakslauttanen, Finland 

Hotel Kakslauttanen is the home of the famous Igloo Village with the unique Glass and Snow Igloos and a World’s Largest Snow Restaurant. In addition their guests can enjoy all the other Lappish winter activities including the Northern Lights (Aurora borealis) visible generally from late August to late April. Surrounded by Lapland’s exotic and stunning scenery, not only can guests sample the peace of sleeping in snow (the snow muffles sound, and provides a great night’s sleep), their glass igloos are fantastic for lying on your bed at night, watching the Northern Lights in the warm.
10. Gran Hotel La Florida

This luxury designer hotel has top class facilities and is located 300 metres above Barcelona, providing panoramic views. This hotel is truly a “view with a room”
The Hotel Florida was first inaugurated in 1925 and was the realization of one mans dream, Dr. Andreu, who wanted to build Barcelona s best hotel in Barcelona s best location.
Over the years Ernest Hemingway, James Stewart, George Sanders, Rock Hudson, Princess Fabiola and the Prince of Belgium all stayed in the prestigious hotel, as did other more sinister characters such as Himmler and his enormous entourage.