Discover Mammoth Cave and hidden summer hikes in Kentucky. Read tips on top trails, cave tours, planning advice and secret ...

Weeks into summer, millions of tourists are again streaming by car, camper, boat and hiking boot to America’s national parks. The 63 sites, spanning deserts and peaks, swamps and beaches, are among ...

Tourists may be shocked to learn that this exciting city break destination has a whole world to uncover beneath it ...

President Macron makes a surprise pledge to recognize a Palestinian state, drawing a sharp rebuke from both the U.S. and Israel.

All Mammoth Cave tours can be reserved at Recreation.gov, the National Park Service's reservation website. You must have a ticket to enter the cave, and it is strongly advised to book in advance ...

All Mammoth Cave tours can be reserved at Recreation.gov, the National Park Service's reservation website. You must have a ticket to enter the cave, and it is strongly advised to book in advance ...

It's Shark Week, and Mammoth Cave took the unofficial holiday to announce the discovery of a ancient shark species.

A new species of ancient shark has been discovered at Mammoth Cave National Park in Kentucky, officials said. Named Macadens olsoni, the fossils were found in the Ste. Genevieve Formation, dating ...

A new species of ancient shark, named Macadens olsoni, was found in Mammoth Cave, Kentucky, known for its curved teeth meant for crushing sea creatures.

A new species of ancient shark, named Macadens olsoni, was found in Mammoth Cave, Kentucky, known for its curved teeth meant for crushing sea creatures.

The roughly half-inch tooth from the uncovered species, named the Macadens olsoni, was found in the depths of Ste. Genevieve Formation at Mammoth Cave National Park in Kentucky.