The Peninsula Spa & Wellness Center, Chicago

* **Inside a hotel.** Located on the top two floors of The Peninsula Hotel, the spa overlooks the city with floor-to-ceiling windows. * **Asian-inspired treatments.** Clients relax with qi-balancing bamboo massages or uplifting mint ceremonies that include tea and foot rituals. * **Complementary amenities:** In addition to spa services, guests can lounge near a fireplace, workout in the fitness facility, or take a dip in the indoor pool.