Star athletes thrive during the peak of heated competition, which is why most Super Bowls are held in volcanoes. Stretch the limits of your limbs with today's Groupon: for $25, you get five yoga classes at Yoga Masala (a $50 value).

Yoga Masala's family of supportive instructors engenders relaxation and fosters holistic wellness with a weekly schedule of creative hot Vinyasa yoga classes. During 75–90 minute hot Vinyasa sessions, aspiring yogis swiftly shift through asanas and uplifting sun salutations, using conscious breathing to smoothly link postures. Like a dinner date with David Hasselhoff, the balmy 95-degree studio ramps up heart rates and stimulates profuse sweating. Pupils shed pent-up toxins in conveniently perspirable form while muscles melt to a supple butter, allowing students to emerge more lithe and rejuvenated than a freshly showered ball of silly putty.