The Burj Al Arab hotel in Dubai is shaped like a sail and claims to be the only seven-star hotel in the world. It has 60 floors and 202 rooms, including the Royal Suite which is the most expensive at $28,000 per night. Notable features include an underwater restaurant accessible by simulated submarine and the world's tallest atrium measuring 180 meters high. The hotel offers luxury amenities and several upscale dining options with stunning views of Dubai.