The Burj Al Arab:

The Burj Al Arab Hotel is designed to look like the blowing sail of a yacht with a 321 meters tall impressive structure.
It has 202 luxury suites complimented by 6 bars, restaurants & a fleet of Rolls- Royce cars for the comfort of the guests. Its one of the most expensive hotels in the world, where a suite begins at $1,000 per night & increases to over $15,000 per night; the Royal Suite can cost you $28,000 per night.
While officially this hotel has a 5-Star rating, the Burj Al Arab says it is a 5-Star deluxe hotel, and it says it is the world's only 7-Star hotel in advertising.
Burj Al Arab characterizes itself as the world's only "7-star" property, a designation considered by travel professionals to be hyperbole. All major travel guides and hotel rating systems have a 5-star maximum, which some hotels attempt to out-do by ascribing themselves a "6-star" status.