At $83,200 a night, the Royal Penthouse Suite at Geneva's Hotel President Wilson is the most expensive hotel room in the world. Guests are not left wanting for much: the suite has 12 bedrooms and 12 marble bathrooms, plus a wraparound terrace with views of the Alps that have been said to move a handful of famous musicians to song (there's a Steinway piano, should the backdrop not be enough). VIPs traveling without an entourage can make use of the private staff -- butler, chef, personal assistant.
While such super-premium suites are nothing new, it used to be that they were a one-off. These days, luxury hotel are clamoring to turn over space (and a lot of it) for these ultra-luxury abodes.
Infographic: A short history of hotel room perks
"There were five-figure rooms in the '90s, but there were fewer," acknowledges Nikhil Bhalla, vice president of equity research in lodging at FBR Capital Markets.