Feeling frazzled?These soothing hot springs let you unwind.

BY JENNIFER BARGER for National Geographic

Find healing waters around the U.S., from natural pools in the West to a historic Arkansas spa town. “You’re not going to a hot tub party in the woods,” says Janet Abbott, the board president of the Balneology Association of North America (BANA), a thermal water education and research group. “Soakers need to be as low-impact as they can and pack in and pack out.”