Airport hotels are rarely featured front and center in any vacation itinerary, instead being chosen for their convenience and airport transfer services. But as more and more travelers rediscover their wanderlust. As more and more tourists travel, airport hotels are becoming an important choice. Check out our picks for the world's most spectacular airport hotels:

Crowne Plaza Changi Airport

Crowne Plaza Changi Airport is a hotel located in Singapore. The hotel is adjacent to Singapore Changi Airport and has a direct connection to the airport's Terminal 3. You'll also be minutes from Jewel Changi Airport, a nature-themed retail and entertainment complex that offers a unique experience. You can soar above the treelines on the Manulife Sky Nets, a giant 820-foot trampoline suspended above an indoor rainforest. Or visit the HSBC Rain Vortex, one of the tallest indoor waterfalls in the world.

The hotel has 1,346 rooms and suites, as well as eight restaurants and bars. The hotel also has an infinity pool, spa and gym. The hotel opened in 2008. It was designed by Japanese architect Kisho Kurokawa. The hotel won the World Travel Awards for Asia's Leading Airport Hotel in 2010, 2011, 2012 and 2013.

The hotel also has eight restaurants and bars serving international cuisine such as Chinese food, Japanese food, Western food and Indian food. Apart from restaurants and bars, Crowne Plaza Changi Airport also has an infinity pool, spa and gym. The infinity pool is located on the hotel's rooftop and offers views of the airport.

citizenM Schiphol Airport

Amsterdam Schiphol is one of the busiest airports in Europe. Travelers have many options when looking for a place to rest nearby, but if you are looking for casual comfort with maximum style, look no further than citizenM Schiphol Airport

This contemporary property takes the pod-hotel concept and complements it with fresh amenities to restore and revitalize the weary traveler. Luxurious beds, fast WiFi, smart connections and spacious showers are just a few of the things that make citizenM Schiphol Airport such a great hotel. The 24-hour service includes microwaveable food and bar service – because somewhere it's always five o'clock.

Mövenpick Hotel Bahrain

Take the stress out of a delayed flight or long layover by staying at an award-winning five-star hotel with world-class hospitality. The Mövenpick Hotel Bahrain is the epitome of a luxury stopover and proof that airport hotels can offer more than just a quick ride to the terminal.

With a desert oasis-like setting, Mövenpick Hotel Bahrain invites guests to dive into its 2000-square-foot infinity pool, then embark on a gastronomic journey complete with live cooking demonstrations and entertainment. The hotel offers more saunas than you can count, and there's always the sparkling Arad Bay Lagoon to behold. After spending the night here, even the seats in first class might feel a little lackluster.

Cordis, Beijing Capital Airport by Langham

If you've always wanted to see the Great Wall of China and have half a day to spare, a stay at Beijing Capital's Cordis Airport will put this wonder of the world off your wish list.

The hotel is located near Terminal 3 of Beijing Capital International Airport, and provides a free shuttle service to and from the airport.

Cordis, Beijing Capital Airport by Langham features 486 rooms and suites, each equipped with modern amenities and stylish décor. Guests can enjoy views of the airport runway or city skyline from their rooms. The hotel also has an Executive Club Lounge for guests staying in executive rooms or suites.

The hotel features several dining options, including the all-day restaurant Café Cordis, Jing Chinese restaurant and the Barista lobby lounge. Café Cordis offers international cuisine, while Jing specializes in Cantonese cuisine. Baristas serve coffee, tea and light snacks.

Cordis, Beijing Capital Airport by Langham also features a state-of-the-art fitness centre, indoor pool and spa. The fitness center is equipped with cardiovascular and weightlifting equipment, while the spa offers a variety of treatments such as massages, facials and body wraps.