In Caldwell, a hotel must provide a specific amount of high-end conveniences to earn a 5-star rating. These can include saunas and spas, on-site gyms, gourmet restaurants, luxury toiletries, premium bedding and more. What also sets 5-star hotels apart is their exceptional service. You can look forward to things like in-room massages, concierge services and nightly turn-down services. Some may also offer special touches such as welcome gifts.