Visiting Idaho's hot springs requires some preparation to ensure ... Subscribe to our free newsletter for access to the world's best-kept travel secrets. Read the original article on Islands.

After all, it’s in Idaho, a state filled with hundreds of hot springs. The city has tapped into that naturally hot water to create the largest municipally run geothermal system in the country.

Vail, Colorado, is famous for its world-class skiing and stunning mountain scenery, but it’s also close to some of the best ...

These Northern Utah hot springs boast a mineral content that surpasses even the famous Lava Hot Springs in Idaho. Crystal Hot ...