Choosing to stay in someone's home instead of a traditional hotel is a simple way to spice up your vacation.
Vacation rental sites like Airbnb and HomeAway offer a plethora of interesting homes to choose from.
Some — like this colorful gypsy caravan in the English countryside — are a little more interesting than others.
We've rounded up some of the wackiest vacation homes we could find on Airbnb and HomeAway.
This reproduction covered wagon is just big enough to fit a king-size bed.
Location: Kaikoura, New Zealand
Site: HomeAway
Cost: $140/night
Accommodates: 2
With five bedrooms, and 2,000 square feet of deck space, the "Nantucket Lightship" would be a unique choice for a larger group.
Location: Conanicut Island, Rhode Island
Site: HomeAway
Cost: $2,000/night
Accommodates: 12
The Château de Challain is a real-life castle with grand accommodations for 30.
Location: Indre-et-Loire, France
Site: HomeAway
Cost: $2,781/night
Accommodates: 30
This geodesic dome is extremely secluded in the Spanish countryside. Even the shower and the toilet are outside.
Location: Facinas, Spain
Site: Airbnb
Cost: $34/night
Accommodates: 3
Now known as the "Centennial Inn," this rental is an authentic, 900-square-foot Northern Pacific Railway Parlor Car.
Location: Livingston, Montana
Site: HomeAway
Cost: $195/night
Accommodates: 4
Located in the Sierra mountains, this yurt hotel also offers massages and access to a swimming pool and hot tub.
Location: Colfax, California
Site: Airbnb
Cost: $129/night
Accommodates: 8
An old 727 airplane was repurposed to become this two-bedroom hotel in the Costa Rican jungle.
Location: Manuel Antonio National Park, Costa Rica
Site: HomeAway
Cost: $250/night
Accommodates: 6
This treehouse is made up of two structures — a bedroom and a kitchen — that are connected by sky bridge.
Location: Montezuma, Costa Rica
Site: HomeAway
Cost: $69/night
Accommodates: 3
You could spend a few nights sleeping inside a giant sea shell.
Location: Isla Mujeres, Mexico
Site: HomeAway
Cost: Available upon request
Accommodates: 4
This three-bedroom home has a fully-equipped spa, complete with an indoor pool, sauna, hot tub, and solarium.
Location: Cornwall, Connecticut
Site: Airbnb
Cost: $750/night
Accommodates: 7
A camp of five teepees sits on the banks of a small creek. Guests can rent kayaks during their stay.
Location: New Braunfels, Texas
Site: HomeAway
Cost: $79/night
Accommodates: 6
This traditional gypsy caravan also serves as a very tiny bed and breakfast.
Location: Cornwall, England
Site: Airbnb
Cost: $119/night
Accommodates: 2
The Old Smock Mill has been updated extensively and makes for a romantic rural getaway.
Location: Benenden, United Kingdom
Site: Airbnb
Cost: $269/night
Accommodates: 2
A Swedish couple turned a bus from the 1970s into a one-bedroom hotel with a pleasant-looking deck.
Location: Stockholm, Sweden
Site: Airbnb
Cost: $62/night
Accommodates: 4
The tiny one-room "Tree Sparrow House" is hidden in the woods.
Location: St. Keverne, England
Site: Airbnb
Cost: $158/night
Accommodates: 2
The "Dog Bark Park Inn" is the ultimate destination for dog lovers.
Location: Cottonwood, Idaho
Site: Airbnb
Cost: $98/night
Accommodates: 4
Now take a tour of another space.
A Googler takes us on a tour of his gorgeous New York City apartment »
Axel Springer, Insider Inc.'s parent company, is an investor in Airbnb.
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