One of the city's more unique attractions, the 100-acre Louisville Mega Cavern, which was created out of a 19th-century limestone quarry, now houses the world's only underground zip line course.

Don't let Corydon, Indiana's small size fool you; it will fill up your vacation itinerary with scenic hikes, cavern ...

THE PARKING LOT CLEARED THE STREAM BACK IN ITS BANK. SO WELCOME TO LOUISVILLE CAVERNS. I’M STEVE, AND I’LL BE YOUR TOUR GUIDE. THE LINVILLE CAVERNS ARE BACK OPEN FOR BUSINESS. EVERYTHING WE ...

The umbrella leaks at places called sinkholes, from which surface water makes its way underground, eroding the limestone into a honeycomb of caverns. Mammoth, the world's longest known cave system ...

Taken together, Louisville and Lexington, KY, showcase the best of the Bluegrass State. Here’s how to pull off a top-shelf Kentucky bourbon weekend. The Louisville-Lexington rivalry is fierce ...