Unusual places to stay around the world

1. Unusual hotels: Spitbank Fort Hotel, UK

   
   Once a base for Britain to protect its navy from attacks by Napoleon III's army, Spitbank Fort, now with all of its guns removed, has been transformed into an exclusive, luxury hotel.
   The 19th-century sea fort can be reach via boat or helicopter from nearby Portsmouth and features eight beautiful bedrooms, various restaurants and bars, a fire pit, pool and sauna.
   Have a taste for the one-of-a-kind? We take a look at some other unusual places to stay around the world...
   

2. Unusual hotels: Magic Mountain Hotel, Chile

   
   Magic Mountain Hotel, Chile
   Spend a few nights at the Magic Mountain Hotel in Chile and you'll be forgiven for thinking you've found your way to Never Never Land.
   The lodge was built by local craftsmen and the story goes that the water surrounding the area - and that which trickles down the side of the building - contains great purities and 'the magic of the forest'.

3. Unusual hotels: Jumbo Stay, Sweden

   
   Jumbo Stay, Sweden
   If you're into trying something different, then this has to be one of the coolest places to stay in the world.
   You can spend the night on-board a real jumbo jet (don't worry, it stays firmly on the ground) choosing between dormitory or private room options. But if you really want to make the most of the experience, the luxury suite in the cockpit is a must.

4. Unusual hotels: Liberty hotel, US

   
   Liberty hotel, US
   You wouldn't expect to find high-style luxury in what used to house some of Boston's most notorious criminals, but that's exactly what you'll find at The Liberty.
   If a historic stay is what you're after, make sure to book one of the 18 guestrooms that actually sits inside the old prison walls.

5. Unusual hotels: Dog Bark Park Inn, US

   
   Dog Bark Park Inn, US
   Bed and breakfast inns don't get much more wacky than this. The Dog Bark Park Inn in Idaho is a guesthouse inside the world's biggest Beagle. Yes, really.
   The inn and its furnishings have all been built by owners and artists Dennis and Frances who have a passion for carving wooden dogs.

6. Unusual hotels: La Balade Des Gnomes, Belgium

   
   La Balade Des Gnomes, Belgium
   More of a horse person? At La Balade Des Gnomes in Belgium, guests can enjoy a number of unique experiences, from spending the night inside a Trojan horse, to sleeping in an outer space-themed room.

7. Unusual hotels: Sala Silvermine, Sweden

   
   Sala Silvermine, Sweden
   If just touring a mine isn't exciting enough for you, the Sala Silvermine in Sweden gives you the opportunity to spend the night deep underground.
   The mine suite - the world's deepest hotel room at 155m underground - is the best accommodation option on offer.

8. Unusual hotels: Free Spirit Spheres, Canada

   
   Free Spirit Spheres, Canada
   If you thought tree houses were just for children, think again. Free Spirit Spheres is an adult-only set of accommodations comprised of beautiful, handcrafted spheres suspended among tall trees of the west coast rainforest of Vancouver Island.
   The spheres are available all year round and prices start from $145 plus tax.

9. Unusual hotels: Cabanes als arbres, Spain

   
   Cabanes als arbres, Spain
   Prefer your tree houses to be a little more spacious? Deep in the forest of the Guilleries in Catalonia, Spain, you will find a nest of 10 tree houses, each accessible by suspended bridges and wooden ladders.
   To preserve the environment, the tree houses don't have electric supply or running water, but there is a cabin nearby with showers, a kitchen, swimming pool and garden.

10. Unusual hotels: House in the Clouds, UK

    
    House in the Clouds, UK
    The House in the Clouds is one of the most extraordinary holiday homes in the UK.
    Set in one acre of private grounds in Thorpness, Suffolk, this unusual towering house has five bedrooms, three bathrooms and all the mod cons a large family would need.

11. Unusual hotels: The Pigsty, UK

    
    The Pigsty, UK
    Once really a pigsty, this two-person holiday home enjoys fine views towards Robin Hood’s Bay on one side, and the North Yorkshire Moors on the other. Squire Barry of Fyling Hall is said to have been inspired by the classical architecture he had seen in the Mediterranean during his travels in the 1880s when building this home for his pigs.

12. Unusual hotels: Villa Cheminée, France

    
    Villa Cheminée, France
    On top of a 15m tower isn't the first place you'd look for a classic, 1970s-style gite, but that's where you'll find Villa Cheminée near Nantes in France.
    The building, which started life as an art project, is now available for hire, and has a kitchen, small garden and enough room to sleep two.