What: Cross-country Skiing
Where: Idaho
How: Fly into Sun Valley with AA's codeshare partner Alaska Airlines, operated by Horizon Air
Cross-countryski your way from one backcountry (read: luxury) yurt to another withSun Valley Trekking's Hut-to-Hut Tour package. Deep in Idaho's Smoky,Pioneer, or Sawtooth mountains, you'll find your inner abominablesnowman as you plow through powder and inhale pine-scented air. In theevening, soak in a wood-fired hot tub and indulge in fine wine andfood. $150 per person, per day. www.svtrek.com

  • Image about Mont Blanc Mountain Range
What: Snowshoe Hiking
Where: Taos and Santa Fe
How: Fly into Albuquerque

Hikethrough the Land of Enchantment - on snowshoes. Country Walkers' activeitinerary ensures that you'll get plenty of exercise to burn off theoverindulgence of the holidays. Attention, hedonists: Theeasy-to-moderate hikes end in plenty of time for outdoor hot-tubbing.$2,298 for six days. www.countrywalkers.com

What: Dogsledding in France
Where: Évian-les-Bains, France
How: Fly into Geneva with AA's codeshare partners British Airways and SN Brussels Airlines
ÉvianRoyal Resort, a belle epoque beauty at the foot of the French Alps,sits on the south shore of Lake Geneva like a castle made from snow.From your elegant base, a guide will accompany you as you take adogsled across the Mont Blanc mountain range. Rooms from $185;dogsledding from $407. www.evianroyalresort.com

What: Polar Bear Viewing
Where: Chugach Mountains, Alaska
How: Fly into Anchorage