4. World's Most Expensive Hotel Room: Royal Villa at Grand Resort Lagonissi - Athens, Greece
Featuring a dedicated butler, chef and pianist, the Royal Villa at Grand Resort Lagonissi is the world's most expensive hotel room at $50,000 a night. The room overlooks the Aegean Sea, which you can view from a private pool with a hydro massage device. The resort also has a private Lear jet.