1. CAVE
Gamirasu Cave Hotel, Turkey
The cave was originally inhabited by the Christian monks in the Byzantine era for more than 5,000 years. The volcanic rock insulates the cave, keeping the temperature naturally comfortable. Opened in 1999, the restored cave hotel has a total of 18 rooms at around $100 - $150 per night.
Kokopelli's Cave, New Mexico, USA
This is actually a privately owned luxury cliff dwelling in Farmington, New Mexico. The one bedroom cave home is carved from a 65 million year old sandstone formation. For about $280 per night, not only you will get a "living-in-cave" experience but also a superb view of the La Plata River as well as La Plata and San Juan mountains.
2. TREE HOUSE
Woodpecker Hotel, Vasteras, Sweden
This is a tree house built on a 130 year old oak tree located in the Vaserparken park. At 13 meters above ground, the only access to the tree house is by a rope ladder. The tree house was built by a Swedish artist, Mikael Genberg. Even though small, the tree house is furnished with all the basic amenities. As this is the only tree house in that area, early booking is necessary and expect to pay around $300 per night.
Green Magic Tree Houses, Kerala, India
This is a tree house built on a tropical rainforest tree at around 100 feet high above the ground. The only access to the tree house is via a hanging bridge. As the tree houses are located in a protected rainforest, they are all eco-friendly and use alternative energy to keep running. There are four double rooms in two tree houses. Costing around $250-$300 per night, each room is equipped with a bathroom and telephone.
3. ICE
Ice Hotel, Sweden
Ice Hotel of Sweden is the original and the world's first ice hotel made of 6,000 square feet of ice and snow. This hotel only exists from December to April every year since 1990. At an average temperature of about 17 degrees Fahrenheit, the hotel beds are also specially made of ice and snow, topped with a couple of layers of reindeer skins with a thermal sleeping bed for the guests to sleep. The hotel charges around $200 per night. It has 80 rooms including suites, a church and a bar called the Absolute Icebar.
Alta Igloo Hotel, Norway
This hotel is made of snow and ice, measuring about 2,000 square meters. The hotel is decorated with ice sculptures depending on the theme set each year, for instance, Viking myth (2004), Norwegian fairytales (2005) and wild animals (2006). The temperature in the igloo remains between minus 4 and minus 7 degrees Celsius. To ensure comfort of the guests, the bed is made up of reindeer hide mattresses and a thermal sleeping bag. The hotel has 30 rooms which cost around $250-$300 per night.
4. DESERT
Al Maha Desert Resort, United Arab Emirates
This luxurious hotel has received world recognition for its architecture which comprises 40 Bedouin-tent shaped villas and two suites. The resort has a full spa complex with a large pool and gym. Each room is equipped with air-conditioning, a giant bed and a luxurious bathroom, costing between $800-$1500 per night.
5. UNDERWATER
Utter Inn, Stockholm, Sweden
This is an underwater hotel with a floating top which looks like a little red house in the Lake Malaran. The bedroom is like an underwater hatch with windows. This is in fact another creation of Swedish artist, Mikael Genberg. Access to the underwater hotel is by boat. Meals will also be delivered by boat. A night stay with dinner costs around $350.
Jules Undersea Lodge, Key Largo, Florida
It claims to be the world's first underwater hotel, 21 feet below the sea. It was originally built in the 1970s as a research lab off the coast of Puerto Rico. It was only opened to public in 1986. The only access to the hotel is by diving for 21 feet underwater. Each room is equipped with a kitchenette, shower and window (for underwater viewing), costing around $350 per night.
6. CAPSULE
Capsule Inn, Tokyo, Japan
This is more like a capsule than a standard hotel room. These capsules are made of reinforced plastics. Each capsule has all the basic amenities such as TV, radio, alarm clock and lightings. The Inn also provides lounge and also shared bathrooms. It charges around $50-$100 per night.
7. FANTASY / WEIRD DECOS
Hobbit Motel, Woodlyn Park, Otorohanga, New Zealand
Hobbit Motel is one of the 3 unique motel units in Woodlyn Park. It resembles the authentic Hobbit home based on Tolkiens's books with the Hobbit furniture and circular windows. Comes with a very basic amenities, you can stay here for under $100 per night.
