The document discusses expensive hotels around the world. It lists the top 10 most expensive hotels, providing details about each hotel's location, amenities, and nightly rate. The most expensive is Lover's Deep in St. Lucia, which is a submarine that rents for $150,000 per night and takes guests underwater. Other very expensive hotels mentioned include the Hotel President Wilson in Geneva, which rents its Royal Penthouse Suite for $65,000 per night, and the Laucala Island Resort in Fiji, which requires a personal invitation from the owner to stay for $40,000 per night.