Well-defined abdominal muscles don't just look good; they also work as an irrigation system to help gardens of chest hair flourish. Raise a rugged crop with today's Groupon: for $35, you get a 10-punch pass to Green Ridge Recreation Center on Wood Haven Road (up to a $90 value).

Green Ridge Recreation Center sprawls out over 76,000 square feet, giving muscle-molders, swimmers, and other athletes plenty of room to work up a sweat. The wellness center boasts a 1/8-mile walking track so security guards can practice wandering in circles. Strength-training equipment, free weights, and more than 60 cardiovascular exercise machines build muscle and raise pulses. While they run, exercisers can absorb the view of the surrounding hills or else turn to the personal television screens attached to many of the treadmills and ellipticals in case there are any good shows about hills on. Players pick and roll across two high-school-regulation-sized basketball courts in the air-conditioned gymnasium, which also hosts pickup and free-play volleyball sessions.

With a current river and two lap lanes, the indoor pool challenges aquatic athletes to hone their strokes before retiring to the hot tub to relax. A 15-foot water slide and children's water playground can act as a reward for kids who consistently finish the homework their parents know about. Inside the interactive activity room, an Xbox 360 Kinect and a Nintendo Wii keep bodies moving, and a 10-foot Lightspace play floor with pressure-sensitive lights invites feet to compete in single or multiplayer games.

Though Green Ridge Recreation Center offers discounted admission for Roanoke County residents, children, and seniors, this Groupon still provides the best deal available.