It's a cruel world out there — sometimes you need a way to relieve stress and retain your youthful glow. How about an exfoliation in which tiny fish nibble dead skin off your feet? Or a luxurious hair treatment made from bull semen? If those aren't to your liking, there's always a cactus massage or a hay bath. Spa treatments are getting wackier by the day — and the hipper, the better. "The sky is the limit as to what spa-goers will pay for a trendy treatment," said Pam Price, a spa consultant and co-author of "100 Best Spas of the World," in an interview with msnbc.com. Check out some of the weirdest ways that you can unwind. (Text: Katherine Butler)