• Air Times, Show Details Merrill Shindler receives a massage from aesthetician Shawn Tiller at Four Seasons Spa, Las Vegas, Nev.

After days of sybaritic excess, a little detoxifying is a good idea, which is why there are spas everywhere in Las Vegas. In fact, they may be the finest spas in the world. Here are a few of the best:

The Spa at the Four Seasons
www.fourseasons.com
Their $215 signature treatment takes you through the four different seasons with massage, scrub, wrap and scalp treatments.

• Low-season rates: $280-$325 weekday night; $380-$425 weekend night.
  
• High-season rates: $325-$425 weekday night; $425-$525 weekend night

The Bathhouse, THEhotel at Mandalay Bay
877-632-9636, www.mandalaybay.com

The $11 million bathhouse is built of imported slate and bamboo. The Spa's most exotic treatment involves customized aromapothecary with over half million blends to choose from. You fill out a questionnaire and their computer will create your own line of spa and bath products.

Zen Zone, Desert Passage
Aladdin Hotel, www.zenzone.biz

• Aqua massage: $15 for 10 minutes, $25 for 20 minutes
  
• Oxygen machine: $10 for 10 minutes, $20 for 20 minutes
  
• Combination packages are also available for both massage and oxygen.