Mandapa, A Ritz-Carlton Reserve in Ubud, Indonesia, is the No. 2 hotel in the world, according to Trip Advisor’s 2017 Travelers’ Choice awards. Bookable on TripAdvisor for an average rate of $502 per night. Most affordable month to visit: May ($449 per night). Lowest weekly rate during peak season: $478 during June 20 – 27.