Staying at the Skylodge Adventure Suites, which hang almost 400 metres above the famous Sacred Valley in Peru, is not for the faint-hearted - guests must climb on steel ladders and cables along the cliff's surface to reach their capsule suites. This adult-only accommodation rewards guests with a birdseye view of the valley during the day and a breathtaking sight of the stars at night, all through the capsules' crystal-clear glass, in the comfort of their warm cosy beds. To get back down to the ground, guests must take a zip line measuring more than one kilometre, making the overall experience even more electrifying and enjoyable for thrill-seekers.

Photo Credit: https://edition.cnn.com/travel/article/skylodge-adventure-suites-peru-hotel/index.html

Located in a 50-metre high harbour crane, this hotel sits on a former shipyard turned art community hotspot in Amsterdam, called NDSM Wharf, towering over the glistening waters of River IJ. Each of its three quirkily themed suites spans two levels at different parts of the crane, which even has a hot tub, observation deck and bungee jump at the top of it. With stunning 360-degree views of Amsterdam city that guests can enjoy from their one of a kind suites, staying in this unusually designed hotel is a once-in-a-lifetime opportunity they can get nowhere else.

Photo Credit: https://www.booking.com/hotel/nl/faralda-crane-amsterdam.en-gb.html

Along Route 66 in Northern Arizona is a vintage suite hidden in the Grand Canyon Cavern, USA's largest dry cavern at 3 million acres and one of the few dry caverns worldwide (only 3% of caverns in the world are dry). Here, guests descend 64 metres underground to the natural limestone cavern, where they can experience sleeping in complete darkness, silence and almost zero humidity, with no internet connection. They can also go on tours to discover this cavern's 345 million-year history and see skeletal remains of animals that once lived there, appreciating this impressive natural wonder.

Photo Credit: https://www.uniqhotels.com/grand-canyon-caverns-suite

Surrounded by jagged limestone cliffs at Coron Island and floating on the pristine blue waters of Laknisan Lagoon is the Paolyn Houseboats. Besides snorkelling and paddleboarding, guests can kayak to the restaurant at the main boathouse to try homemade Italo Filipino food or suntan on their private decks while sipping on craft cocktails personally delivered by friendly, passionate staff. Always in touch with the serene ambience, staying at the Paolyn Houseboats might be one of the most relaxing and surreal experiences guests can get in Southeast Asia if they want to feel what it is like living in paradise.

Photo Credit: https://www.airbnb.com.sg/rooms/37567287?guests=1&adults=1&s=67&unique_share_id=518e56fe-f4f2-4e46-8d3b-80389fcdac4f

Located just 141 kilometres south of the equator, the warm city of Nairobi, Kenya, has one of Africa's most exclusive resorts, where guests can wake up to majestic herds of Rothschild's giraffes greeting them at their balconies. At Giraffe Manor, guests can enjoy breakfast in the morning, as giraffes pop their heads through the dining room windows, before taking a tour at the Giraffe Centre or feeding giraffes during the afternoon. With many up close and personal, Instagramable moments with these endangered giraffes, this forested sanctuary is perfect for couples looking to fully immerse themselves in nature and unwind during a wild, fun and unforgettable getaway.

Photo Credit: https://holaalohamagazine.com/2020/12/10/giraffe-manor-nairobi-kenya/

Just 15 minutes away from the Stockholm Arlanda Airport in the Scandinavian country of Sweden, Jumbo Stay is a hotel located in a grounded Boeing 747 plane, which was built in 1976 and flew with Singapore Airlines. It offers guests a wide variety of unusual yet one of a kind rooms, ranging from dorms in the plane's engines to a suite in its cockpit. Walking on the plane's wings and hanging out in the hotel's modernly designed lounge and cafe will also make any stay in this hotel fun and intriguing for all aviation enthusiasts and families.

Photo Credit: https://matadornetwork.com/read/airport-hotels-luxurious/

The Reefsuites, Australia's first underwater hotel, is located right off the coast of Queensland, Australia, in the Great Barrier Reef. Submerged 4 metres in this underwater sanctuary, crystal-clear glass panels separate guests from massive shoals of fishes, turtles and rays swimming in the Coral Sea's infinite blue waters. Guests can also visit the hotel's underwater observatory or semi-submarine tours to learn about environmental issues harming the Great Barrier Reef, making any stay here exhilarating and enriching for couples and families.

Photo Credit: https://www.traveller.com.au/reefsuites-australias-first-underwater-hotel-rooms-open-on-great-barrier-reef-h1k0tt

Sharma Springs is a modern eco-tourism hotel nestled along the valley of the sacred Ayung River in the Indonesian archipelago. Consisting of 6 levels and almost entirely made out of bamboo, this hotel is highly resistant to earthquakes and has earned its title of "Tallest Bamboo Structure in Bali". As guests enter and look up from the bottom floor, they will be in awe of the elaborate bamboo joinery and overhanging roofs, commencing the start of their lavish jungle retreat at this architectural wonder.

Photo Credit: https://ibuku.com/sharma-springs-residence/

Inspired by the famous Castle Neuschwanstein in Germany and built in 1996, the Falkenstein Castle sits 1277 metres above sea level, at the top of Texas Hill Country. Here, guests have full access to the 14000 square-metre castle, which houses hundreds of vintage artworks, some of which are more than a thousand years old, an echoey chapel with a 600-year-old altar imported from France and a 40000-gallon koi pond. With unblocked views of Lake Buchanan from this architecture that almost seems straight out of a fairy tale, anyone who experiences staying at the Falkenstein Castle will undoubtedly feel for a king.

Photo Credit: https://www.pinterest.com/pin/178455203958890324/

Located in the small town of Colchani, Bolivia, everything in the Luna Salada Hotel was built from blocks of salt, including all of its chairs, tables, floors and walls. This hotel offers guests relaxing spa retreats, as well as sweeping panoramic views and full-day tours to Salar de Uyuni, the world's largest salt flat, where they can soak in the vast expanse of white. The hotel will also bring guests closer to a different yet exceptional form of nature as they disconnect from their busy lives and indulge in undisturbed relaxation at this beautifully remote spot.

Photo Credit: https://roomcard.com/hotel/hotel-de-sal-luna-salada/25517686