
1. Gili Lankanfushi, Maldives —
What's not to like about the TripAdvisor Travelers' Choice pick for the world's No. 1 hotel? With a 2015 average nightly rate topping $1,700, prices at Maldives resort Gili Lankanfushi will take your breath away. But so will these views -- enhanced with personal butler service and a blissful "no news, no shoes" philosophy.

2. Nayara Hotel, Spa & Gardens, Costa Rica —
Nayara Hotel, Spa & Gardens in La Fortuna de San Carlos, Costa Rica, looks out on the imposing Arenal volcano. TripAdvisor estimates an average nightly rate of $430 for the resort in 2015, although rates are likely to dip to their lowest point in June, to about $380.

3. Shinta Mani Club, Cambodia —
The Shinta Mani Club in Siem Reap, Cambodia, is a 39-room boutique hotel located about 15 minutes from the temples of Angkor Wat. The average nightly rate is about $250, with rates dipping closer to $200 in September and October.

4. Four Seasons Gresham Palace Budapest, Hungary —
Within the opulent Art Nouveau Hotel Gresham Palace lies this modern infinity-edge lap pool. Nightly rates at this Budapest hotel in 2015 average about $520, according to TripAdvisor, with a dip down to about $350 in February.

5. Belmond Palacio Nazarenas, Peru —
The Belmond Palacio Nazarenas is a former palace and convent tucked behind Cusco, Peru's main square. Average nightly rates run about $590, with a dip to $550 in February.

6. Cocoa Island by COMO, Maldives —
At Cocoa Island, 33 over-water suites cater to privacy seekers. Nightly rates at the Maldives resort run about $1,380, with rates dropping below $1,100 in the summer and fall.

7. Hotel Alpin Spa Tuxerhof, Austria —
There's a ski run leading right to the Hotel Alpin Spa Tuxerhof, a mountain retreat at the entrance of the Tux Valley in Austria's charming Tirol state. Nightly rates for 2015 average about $380, dropping to a low of about $320 in November.

8. Al Maha, Dubai, United Arab Emirates —
Al Maha, a Luxury Collection Desert Resort and Spa, is an inviting oasis in the Dubai Desert Conservation Reserve. Nightly rates in 2015 average more than $1,520 a night, according to TripAdvisor, with rates dipping down close to $1,020 in July and August.

9. Estalagem St. Hubertus Hotel, Brazil —
The charming St. Hubertus Hotel sits on Lago Negro in Gramado, Brazil. Nightly rates in 2015 average just under $300, with a dip to about $250 in March.

10. Tambo del Inka, Peru —
Tambo del Inka, a Luxury Collection Resort & Spa in Urubamba, Peru, has a private train station for journeys to Machu Picchu. Nightly rates run about $260, with a dip down to about $220 in February.

11. Hotel Belvedere, Italy —
Hotel Belvedere, near the Adriatic sea in Riccione, Italy, promises "a touch of glamour and a bit of craziness." Rates average about $130 a night.

12. Four Seasons Country Club, Portugal —
The Four Seasons Country Club is situated among 17 acres of private gardens on the Quinta do Lago estate in Portugal's sun-splashed Algarve region. Nightly rates average about $210 for 2015, with rates starting low in January at about $150.

13. Dar Al Masyaf, Dubai, United Arab Emirates —
Tucked within the Madinat Jumeirah, Dubai's Dar Al Masyaf features standalone two-story houses. Nightly rates average about $750 for 2015, with a drop in June and July to about $370.

14. Mandarin Oriental Pudong, China —
The Mandarin Oriental Pudong in Shanghai is located on the banks of the Huangpu River about 10 minutes from the historic Bund. Nightly rates for 2015 average about $400, with a dip to about $370 in July.

15. Constance Moofushi, Maldives —
Constance Moofushi in the Maldives offers 24 beach villas and nearly 90 over-water villas. Nightly average rates for 2015 run about $1,370, with a low in June of about $1,050.

16. The Gritti Palace, Italy —
Venice's opulent Gritti Palace offers stunning views of the Grand Canal and 21 elegant suites. Nightly rates at the historic hotel average about $930 in 2015, with a big dip in December to just under $500.