The "Numero 1" costliest hotel in the world is the President Wilson Hotel Royal Penthouse suite (Entire top floor of the hotel has this suite rooms) which costs $53,000 per night stay.
The door and window specially build of bullet proof and a terrace view through over the city, Lake Geneva and Mont Blanc.
It is accessible by private evaluator. It has 4 bedrooms, 6 bathrooms with mosaic marble floor. It also has fully equipped cocktail lounge with the view of water fountain, and can accommodate total of 40 peoples.
The name of this suite has been recently changed from Imperial Suite to the Royal Penthouse Suite. The hotel stuff give full ensure of the guest safety as the Imperial suite is the world top security hotel ever.
These rooms are mainly reserved for celebrities and traveling head of state like Microsoft (MSFT) Chairman Bill Gates and Virgin Founder Richard Branson as well as heads of state such as former President Bill Clinton and former British Prime Minister Tony Blair.