If there were an X Games for spa treatments, Cryotherapy would be a main event. Why subject your body to temps as low as -164 Fahrenheit, you ask? It reduces inflammation and can even tidy up cellulite, fans say.
The Thermes-Marins in Monte Carlo is now the place to freeze your butt off (literally). After four minutes in a sub zero booth you'll emerge refreshed and full of energy. If you go, treat your frozen locks to some TLC with T'zikal's Hot Oil Treatment.