$65 for Two Indoor Skiing or Snowboarding Lessons at Adventurous Sports ($145 Value)

Reverse skiing up a mountain is only possible during full moons on the summer equinox, which is why Rube Goldberg invented ski lifts. Rise to the top with today's Groupon: for $65, you get two indoor skiing or snowboarding lessons (a $145 value) at Adventurous Sports in the Mission. Groupon buyers can also follow up these first two classes with additional lessons at a 20 percent discount for seven, 10, or 12-lesson packages, as long as they're scheduled within the year.

Adventurous Sports gets mountain-bound novices ready for downhill navigation by training them indoors on its revolving Endless Slope ski platform (click link to see video demo). With private instruction from close-by and focused instructors, learn to travel like the mighty wild sleighs of the Swiss Alps by strapping on a pair of skis, or prep for carving up the naturally occurring half-pipes of Tahoe with a snowboarding tutorial. The first lesson, an hour-long Fast Start session, begins with a planning powwow as you and your instructor set goals, then plunges into an intensive one-on-one training blast that condenses hours of on-mountain experience into 3,600 bite-sized seconds. Your second lesson cuts straight to the 30 minutes of practice, helping you develop muscle memories that will warm your heart with nostalgia on the frosty slopes.

While the first couple lessons will get you snow-ready with starter skills and psyched for the months of skiing and snowboarding that lie ahead, additional sessions with Adventurous Sports will make sure you have the dazzling skills you need to conquer a cold new world of lift tickets, polarized sunglasses, and après-ski dips in jacuzzis filled with hot cocoa. Call ahead to schedule your first lesson.