Those with coulrophobia  -- a fear of clowns -- will definitely want to steer clear of Tonopah, Nevada's Clown Motel, called "the most terrifying motel in the world" by Roadtrippers.com.

Those with coulrophobia  -- a fear of clowns -- will definitely want to steer clear of Tonopah, Nevada's Clown Motel, called "the most terrifying motel in the world" by Roadtrippers.com.

Those with coulrophobia  -- a fear of clowns -- will definitely want to steer clear of Tonopah, Nevada's Clown Motel, called "the most terrifying motel in the world" by Roadtrippers.com.

The Sunrise Kempinski Hotel in Beijing, is located on the shores of China's Yanqi Lake and offers breathtaking views of the Yanshan Mountains and the Mutianyu Great Wall. But visitors may be just as likely to gasp when taking in the hotel itself. Constructed to evoke the look of a rising sun, the shimmering all-glass facade is made from 10,000 panels and is illuminated with LED lights at night, like something straight out of Star Wars. Inside, the amenities are equally jaw-dropping, including nine restaurants and bars, and a spa, fitness centers and 306 ultra-modern guest rooms. 

<a href="http://www.snoozebox.com/" target="external">Snoozebox</a> offers portable hotels that can be delivered and assembled onsite within 48 hours.

The Faralda Crane Hotel Amsterdam is a three-suite boutique hotel on top of, you guessed it, a crane. With views of the city from 164 feet in the air, guests might experience swaying depending on the wind. The industrial crane has been fully updated -- the luxury suites include flat-screen TVs and wi-fi.&nbsp;

Called the Krystall hotel, it will be the first floating hotel in Europe. The five-star property will have a spa and wellness center and is designed to be self-sustainable.

Dutch Docklands is developing a self-sustainable, floating five-star hotel in Norway. The new luxury hotel will be shaped like a snowflake and based in the fjords near the town of Tromso. Located in the Arctic Circle, it is one of the best places to spot the Aurora Borealis. The hotel is planned to be open in 2017.&nbsp;<br />

Don't lick the walls! Bolivia's Hotel Palacio de Sal Hotel &amp; Spa is built entirely of salt: Walls, floors, ceilings, and much of the decor including some chairs, tables, beds and sculptures are constructed from one million salt blocks. The hotel itself is built on a salt flat, so naturally the building materials were locally sourced. The 30-room resort has saunas, steam rooms and, unsurprisingly, saltwater baths.

World's Smallest Hotel is a Big Piece of Luggage: Sabrina Trommer, right, and Stephan Lehmann, left, outside the world's smallest hotel in Luzenau, Germany. The hotel is literally an over-sized piece of luggage measuring only 9ft by 4ft 10in, which you can enjoy for 15 Euros per night.

Could this container-made, Jenga-like hotel be the future of the hospitality industry? Hive-Inn plans to use shipping containers to construct hotels. OVA Studio uploaded this image to their Twitter on April 15, 2014 with the caption, "Hive-Inn, when hotel rooms travel #architecture #hospitalitydesign #containerarchitecture." Click through to see more bizarre hotels around the world.

Jamaican luxury resort The Caves is tucked away inside the limestone cliffs of Negril in the West End of Jamaica, looking out on the Caribbean Sea.

CasAnus Hotel in Belgium lets visitors stay in a colon replica.

An artist rendering of The Unbalanced Hotel designed by OOIIOO Architecture in Lima, Peru. The building has 125 rooms but there are an important percentage dedicated to restaurants, conference rooms, meeting rooms, exhibitions, etc. the unique building´s shape will be the perfect ?frame? to attract people and activities into it.

The package, created by Denver's Curtis Hotel, includes lots of luxuries such as aTiffany diamond pendant and earring set, a pair of Swarovski binoculars and a party for 100. The pop-up hotel will be moving around downtown Denver through Aug. 23.

The Sheraton Huzhou Hot Spring Resort in east China' s Zhejiang province will open this fall. It's also called the "horseshoe hotel" but has two connecting floors underground that give it a true doughnut shape. The hotel offers 321 guest rooms, including 44 suites and 39 villas.

The 19-story, 380-room Shimao InterContinental Hotel is being built in an abandoned quarry in Shanghai, China. The project will cost at least $555 million with nightly rooms expected to start at $320. Surrounding the hotel will be a 428,000 square-metre theme park, complete with room for bungee jumping and rock climbing overlooking the descending 16 floors.

Northern Ireland's Armagh Gaol, a historic former prison which was the site of hangings and an IRA protest that killed a prison guard, is set to be turned into a complex that includes a hotel and spa. Here. Aidan Mallon, Property Services Manager at Armagh council walks though Armagh jail.

Tower Park Prague has a one-room hotel with great views of the city.

An employee wears a panda suit while talking to a woman at a panda-themed hotel at the foot of Emei Mountain in Emeishan, southwest China's Sichuan province, Feb. 22, 2013. The hotel is reportedly the first panda-themed hotel in the world.

In eighteenth-century Oslo, criminals were brought to justice on a tiny islet that became to be known as "Thief Island." Today, the island of Tjuvholmen is one Oslo, Norway's hippest districts. A new hotel called The Thief is slated to open, Jan. 9, 2013.

North Korea's Ryugyong Hotel, also called "Hotel of Doom," may open next year, 26 years after construction began. Pictured here, the hotel during construction in 2011.

At the Jumbo Stay hostel at the Stockholm airport, spend the night on board a real jumbo jet. Different room categories can accommodate one to three adults; there's also a quad dormitory bed option. A few rooms have a private toilet and shower; others have access to shared shower and toilet facilities.

Jumbo Stay hostel has one luxury suite in the converted cockpit with a panoramic view of the airport. It features two adjustable beds, a flatscreen TV, free wireless internet and a private bathroom with shower.

The Jumbo Stay hostel, housed in an inactive jumbo jet at the Stockholm Airport, has a bar and cafe on board.

A hotel room made from converted shipping containers is shown in this computer rendering from the Deûle Insolite blog.

Pictured, a design for a proposed "floating hotel." The hotel would be solar powered and is described as "part habitation, part yacht and part submarine.

A fully submerged observation bulb would allow guests to obeserve sea life.

Plans for an underwater hotel in Dubai are in the works.

If the hotel becomes a reality, guests can literally "sleep with the fishes."

Rooms will be underwater, but there will be common areas that remain above ground.

Dog Bark Park Inn - Originally a roadside attraction, this massive wooden beagle is now a B&B in Cottonwood, ID. Alongside, there's a port-a-potty hidden in a 12-foot-tall fire hydrant.

Winvian - The Winvian's helicopter cottage houses a 17,000 lb chopper that's been turned into a private lounge in Litchfield Hills, CT. Want something cozier? Choose from the woodland compound's 18 other quirky rooms, like one modeled after the inside of a beaver's den.

Liberty Hotel - For more than 100 years, this riverside property in Boston was a prison with a view. Today, it's a luxe hotel that retains the cell doors and catwalks from its past life. Visit Clink restaurant for crisp-seared Berkshire pork belly from Eleven Madison Park escapee Joseph Margate.

McMenamins Kennedy School - Chalkboards hang on the walls of the classrooms-turned-guestrooms at this 1915 elementary school in Portland, OR. The sizable, pink-tiled girls' restroom is now a brewery that turns out nearly half-a-million pints each year.

Aurora Express Bed & Breakfast - Owners Mike and Sue Wilson pieced together their B&B from retired railroad cars, hauling them one by one to this ridge overlooking Fairbanks, AK. The newest is an 85-foot-long dining car.

Kate's Lazy Meadow Motel - True to form for flamboyantly retro B-52s singer Kate Pierson, her Catskills retreat is awash in vintage kitsch in Mt.Tremper, NY. Multihued appliances complement Midcentury-Modern sofas and easy chairs.

Beckham Creek Cave Lodge - It took four years to turn this Ozarks cave into a hotel. Dehumidifiers keep dampness at bay, and natural sunlight penetrates the space through large windows.

Ever feel as if every hotel room looks like the last one you checked into? Next time, consider spicing up your travel by staying at one of these unique hotels, where style often trumps all else. <p> The <a href="http://www.treehotel.se/en/start" target="external">Treehotel</a> in Sweden aims to bring guests close to nature and rekindle joyful childhood memories. A group of modern designers and architects were charged with designing different rooms. The result: six unique spots to stay high above the forest floor.

<a href="http://www.living-architecture.co.uk/the-houses/balancing-barn/overview/" target="external">The Balancing Barn</a> takes sleeping to new heights. From the road, the barn – shown here nearing completion - is almost invisible. But from the other side, the barn offers a stark contrast to the serene countryside. Half of the house is cantilevered over a descending slope, giving a wide view of the British landscape. It's not a hotel; there are no services. But it sure is a unique spot to rent out. The barn sleeps 8 and costs about $1,100 for four nights.

Want to see the Northern Lights and the stars shining brightly in the arctic sky? Stay in a glass igloo at the <a href="http://kakslauttanen.fi/en/" target="external">Hotel Kakslauttanen</a>, which is located above the Arctic Circle in Finland. For those visitors wishing to have a truly arctic experience, you can stay in one of the traditional snow igloos, eat in the snow restaurant or even get ma

Hotel Kakslauttanen features a glass igloo village, log cabins, and the world's largest smoke sauna. The glass igloos maintain a normal room temperature and the glass ceiling stays clear of snow so guests can enjoy the beautiful night sky.

German artist HA Schulte designed the Save the Beach hotel, which was made entirely of garbage and other debris collected on beaches. The Corona beer company commissioned the hotel as part of its Save the Beach campaign, which is the beer maker's effort to reduce garbage and pollution of Europe's beaches. The five-room hotel was open for four days on Rome's Castel Sant'Angelo and accepted visitors like supermodel Helen Christensen through a competitive process.

In Christchurch, New Zealand luxury meets history at <a href="http://www.wagonstays.co.nz/" target="external">Wagon Stays</a>, a small hotel that offers exactly what its name presents: a chance to stay in one of those old covered wagons that the pioneers used. But don't fret, this won't be roughing it. The wagon comes with air conditioning, a toilet, shower and even a hair dryer and flat-screen TV.

We've all woken up from deep sleep feeling a bit blue. But at the <a href="http://conradhotels1.hilton.com/en/ch/hotels/index.do?ctyhocn=MLEHICI&cid=OM,CH,Maldives,Redirect" target="external">Conrad Maldives Rangali Island</a> some guests now have the chance to awake under the deep blue with schools of fish swimming by and rays of sunlight shimmering through the water to the new Ithaa Suite. The room sits 16 feet below the Indian Ocean, surrounded by a vibrant coral reef and encased in clear glass.

The Boot Bed N' Breakfast in New Zealand is the brainchild of Steve Richards, who designed the two-story cottage in the shape of a giant boot. Outside is a grove of hazelnut trees. Inside, an open fire for a romantic evening in. And when you wake from your fairy tale night, breakfast will be waiting at your door. Make all the footwear jokes you might, this hotel uses free-range eggs offers fresh fruit from its orchard in your meal.

The Dog Park Inn is a bed and breakfast inside a Beagle in Cottonwood, Idaho. Furnishings include chainsaw dog carvings, and the inn serves what they like to call the Prairie's Best Fruited Granola. Can't spend the night? Don't fret, the inn has a gift shop that sells some of those dog carvings for all you canine fans.

Sticking with the nautical theme is the Utter Inn in Stockholm, Sweden. It was designed by a local artist and opened in June 2000. The small red house above the lake leads to a tiny underwater bedroom with two twin beds. Don't worry there is room service, but you need to order well in advance.

We can all strive for environmentally-friendly travel, but at one Arizona hotel you can actually live the green lifestyle. The <a href="http://earthship.org/phoenix-earthship-nightly-rental" target="external">Phoenix Earthship</a> offers people the chance to stay in self-sufficient housing made from recycled materials. It even comes with its own lush interior jungle.

To get publicity for its new logo and redesigned rooms, Holiday Inn hired world record-holding cardstacker Bryan Berg to build a 400 square foot Key Card Hotel that is on display at the South Street Seaport in Manhattan. It features a bedroom, bathroom and lobby all made out of key cards. More than 200,000 cards were used and it weighs 4,000 pounds. And yes you can sit on the furniture.

The Madonna Inn's Jungle Rock room is one of the largest, featuring two king-size beds. The room, which goes for $240 a night, features a waterfall shower to clean up after all your jungle fun.

From 1955 to 1979, this lifeboat saved scores of sailors from all but certain death off the British coast. Now the Lilla Marras offers you a place to get some shut eye if you find yourself in Harlingen, the Netherlands. A night on the Lifeboat hotel will cost you about $320.

If you are more of a land lover, consider the Lifeboat's sister hotel, the nearby Lighthouse hotel. For 75 years, this lighthouse protected boaters but was decommissioned in 1998 and is now a hotel. But there is room for only two people a night and staying there comes at your own risk.

The Controversy Tram-Inn offers guests the opportunity to sleep on a train or in two trams that were active several years ago in Germany and Amsterdam. The hotel in Hoogwoud, the Netherlands, strives to have fun with its rooms. The train includes a Jacuzzi built in a Mexican sombrero.

The Crowne Plaza at Union Station in Indianapolis is built in the city's former train station, America's 1st Union Station. The Grand Hall is marked with distinctive arches, columns and terrazzo floors and features a stained-glass barrel ceiling along with two identical 20-foot leaded stained glass wheel windows. While most guests stay in traditional rooms, the hotel does offer the opportunity to spend the night in a Pullman train car.

Want more train and less station in your stay? Consider the Aurora-Express, a bed and breakfast in Fairbanks, Alaska, made out of authentic Alaska Railroad cars renovated to historical periods. Mike and Sue Blomfield Wilson bought the railcars from the Denali National Park Hotel for only $1 apiece -- but did have to spend thousands of dollars to transport them.

The Out 'n' About Treesort in Cave Junction, Ore., offers the kid in all of us to spend a night up in the trees. The resort features 18 different treehouses, platforms and forts plus seven swinging bridges, five swings, 20 flights of stairs, four ladders and a ropes course with a 160-foot zip line.

The Ariau Amazon Towers is the only hotel complex at tree top level in the Amazon rain forest. It is located 35 miles northwest of Manaus, Brazil, on the right bank of the Negro River. The 260 bedrooms, 11 suites and nine treehouse Tarzan suites are spread out in eight wood towers linked by 30-foot-high catwalks.

The plane's interior is Costa Rican teak paneling from the cockpit to the tail. Furnishings are hand-carved, teak furniture from Java, Indonesia. The suite features two air-conditioned bedrooms -- one with two queen-sized beds and the other with one queen-sized bed, each with its own private bath.

The plane's interior is Costa Rican teak paneling from the cockpit to the tail. Furnishings are hand-carved, teak furniture from Java, Indonesia. The suite features two air conditioned bedrooms -- one with two queen sized beds and the other with one queen sized bed, each with its own private bath.

This isn't your typical airplane restroom. There is plenty of room to spread out and even a view.

The room also includes flat screen TVs, a kitchenette, dining area foyer; an ocean view terrace; a private entrance up a river rock, spiral staircase and 360 degrees of surrounding gardens.

But you didn't come here for the plane. You came for the views. Sure it might cost you $300 to $350 a night, but isn't this worth it all?

The Capsule Hotel in The Hague lets guests feel like they are castaways from a shipwreck. These bright orange pods were originals survival pods from an oil rig and now serve guests who are looking for a little adventure in their vacation.