Natural minerals in geothermal springs around the country have therapeutic properties ‒ and keep toes toasty. Words: Cheree Morrison Winter travel comes with its own set of perks: fewer crowds, moody views of snowy peaks or tempestuous beaches and, occasionally, a seasonal room rate. But if there’s one great thing about traveling during winter, it’s defrosting after a day outdoors. Frozen fingers and numb toes love nothing more than a soak in a thermal hot spring. Thermal hot springs form when rainwater trickles down to an underground heat source, then rises again to create a pool or spring. The waters