Take a ride down an elevator 650 feet below the surface of Hutchinson, Kansas and you’ll find endless miles of tunnels that lead to active salt mines dating back over a century.

Toxic chemical releases from Arizona’s industries rose 70% in 2018 from 2017, a new EPA report shows. But the company whose Pinto Valley Mine in Miami is reported to have by far the largest ...

Our favorite graduation trip ideas include backpacking in Eastern Europe or South America, walking Spain's Camino de Santiago, and more.