Top 10 Most Unique Vacation Rentals

Featuring oddly-shaped houses or unusual escapes, here are 10 of the most unique vacation homes available to rent on HomeAway.com:

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  Shell House

  Isla Mujeres, Mexico -If the Little Mermaid vacationed on land...

  If the Little Mermaid vacationed on land, she'd feel right at home in this rental that resembles a conch shell- inside and out. Softly-curved walls carry a marine theme and the sounds of the Caribbean throughout the 5,500-square-foot home. While inspiration for the pool and Wi-Fi may not have come from the ocean, Ariel isn't complaining.

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  Home Sweet Church

  County Mayo, Ireland - Talk about converts: this 19th century ...

  Talk about converts: this 19th century church on the Irish countryside has been completely transformed into a luxurious vacation home. The church features dramatic floor-to-ceiling arched windows from its original design and the bell tower was converted into a balcony. Guests will enjoy their stay at what British television's Grand Design host Kevin McCloud called "the best church conversion I have ever seen."

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  Santorini Windmill

  Santorini, Greece - The only things energized from this charming ...

  The only things energized from this charming windmill villa are the travelers who wake up to the smell of the Aegean Sea, the beams of warm sunlight from the Santorini skies and the delicious tastes of figs, tomatoes, cucumbers and grapes that are ripe for picking in the backyard.

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  Hobbit House

  Thompson Falls, Montana - Tolkien fans excited about the new film...

  Tolkien fans excited about the new Hobbit film will love this Shire-inspired vacation rental in rural Montana. The homeowners have spared no expense to create a world of magic for their guests, while at the same time offering a five-star experience complete with a full kitchen, private deck with barbecue grill and even a wishing well!

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  Sand Castle

  Ixtapa, Mexico - During the building of this Mexican Riviera gem...

  During the building of this Mexican Riviera gem, a single dynamite charge to a stone cliff created a 13-foot deep crater so perfectly shaped the owners turned it into the swimming pool. The same pool acts as the last step for the waterfall which meanders through the heart of the home. Take note, although the Sand Castle may sound like a palace for kids' play, the antiques adorning the home render this Ixtapa rental "adults only."

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  Remodeled Stables

  Healdsburg, California - After being transformed into a luxurious...

  After being transformed into a luxurious 5,000-square-foot country estate in California Wine Country, these former stables are no longer fit for the likes of horses. Set on 11 acres of land rest assured you can hit the hay in one of seven luxurious bedrooms and never hear a peep from your neighhhhhbor. And touches like the six-foot grand piano, private hot tub, lap pool, and sprawling courtyard make this Healdsburg vacation rental the mane event- so you never have to leave Sonoma unless you want to.

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  Railroad Car

  Livingston, Montana - All aboard! Once Montana's entry in...

  All aboard! Once Montana's entry in the World's Fair, this Northern Pacific Railway train car now conducts itself as a vacation rental on 13 acres along the Yellowstone River, famous for its fly-fishing. The restored car even features a fully-equipped kitchen to prepare the catch of the day.

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  Gypsy Caravan

  Ellesmere, England - Forget the Delorean - for a car that'll really...

  Forget the Delorean - for a car that'll really transport you back in time, and for an unforgettable travel experience, check out this quirky vacation rental on wheels. Decked out with the classic chrome of the 1950's, this posh camper also features a wood-burning stove, ivory leather upholstery and sleeping space for two.

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  Onion House

  Kailua Kona, Hawaii - "The Sydney Opera House meets Stonehenge"...

  "The Sydney Opera House meets Stonehenge" is how one writer describes the Onion House and the layered arches that frame its exterior. See for yourself as a guest at this Hawaiian hideaway and enjoy a meditation garden, 70-foot pool, lily ponds and an expansive terrace with ocean views. The only tears at the Onion House are those shed when you leave.

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  Playa Selva Tree House

  Mal Pais, Costa Rica - You're going to go bananas for this house...

  You're going to go bananas for this house rental perched high among the Banyan trees of the Costa Rican jungle. Here your only neighbors are brightly-colored birds, playful primates and other indigenous wildlife. Far surpassing any childhood fortress, the Playa Selva tree house includes electricity, running water and a private swimming pool.