Some enjoy the combination of spinning and yoga. If nothing else, we certainly appreciate the irony of frenetic Zen.

Opened in 2001 by a lawyer seeking the perfect yin-yang workout, YAS combines the hard-hitting cardio of the stationary bike with the deep stretches and slow muscle work of yoga. The boutique gym, which touts its specialty in "urban rejuvenation," offers the two both separately and together in a loft-like interior that's a welcome respite from traditional gyms. Ahhh. Also, owww.