The Burj Al Arab is a luxury 7-star hotel located on an artificial island off the coast of Dubai. Built to resemble a sailboat, it cost over $650 million to construct and features an atrium enclosed by a Teflon-coated fiberglass sail. The interior combines eastern and western architectural styles with lavish materials like gold leaf and marble. Rooms range from $1,000 to $28,000 per night, making it one of the most expensive hotels in the world.