Yoga is one of the world's oldest forms of exercise, second only to holding the earth on your shoulders. Practice ancient athleticism with today's Groupon: for $20, you get a one-month unlimited yoga pass at YogaRoom (a $100 value).

The dedicated instructors at YogaRoom guide posing pupils of all abilities through an array of 90-minute classes. Students can limber up limbs with two weeks of unlimited stretch sessions, including a Yoga Basics class that schools nascent muscle manipulators on the fundamentals of yoga including breathing practices, postural alignment, and how to impersonate famous pretzels. The Yoga Nidra yogic sleep class features a guided meditation that promotes deep relaxation, leaving bodies feeling rested and agile. Additionally, yogis can discipline bickering minds and bodies with a Hatha Yoga+ class that calls a gentle truce between mental and physical facilities with flexibility-enhancing asanas and awareness-ameliorating meditation. Check out YogaRoom’s online schedule for class times and dates.