In Bolshoy Kamen, a hotel must provide a certain number of high-end amenities to earn a 5-star rating. These can include on-site gyms, saunas and spas, gourmet restaurants, premium bedding, complimentary luxury toiletries and more. What also sets 5-star hotels apart is their outstanding service. You can expect things like nightly turn-down services, in-room massages and concierge services. Some may even offer extra touches like a welcome gift.