There is no better way to discover the USA than by hitting the road — especially along the legendary Route 66.

For centuries, humans have lived underground. Today, that ancient practice is under dire threat—even as cave life makes more ...

From majestic mountains to stunning architecture to world-class art, here’s our insider’s guide to the best things to do in ...

WorldSprings has opened its third US geothermal spa at Zion Canyon Hot Springs, in La Verkin, Southern Utah, featuring more ...

Is Arizona's most beautiful place an iconic red rock butte, a blue-green waterfall or an otherworldly cave formation? Vote in our stunning views poll.