Floyd Collins got trapped in a Kentucky cave 100 years ago this week, an incident that led to the creation of Mammoth Cave National Park.

MAMMOTH CAVE, Ky. — During a late January tour of ... a stop in a flat area – like a small plaza in a hollow section of limestone – to tell us how cave explorer Floyd Collins got trapped ...

For 16 years, the Buffalo National River has denied explorers access to Arkansas’s longest cave and hundreds of others. Some ...

There are alot of great caves in the US but there is a hot debate over which one is better Mammoth Cave or Carlsbad Caverns.

One of its most striking geological features is its limestone terraces ... the sight as "a cave turned inside out." To view the formations, visitors can walk along the Mammoth Hot Springs ...

Mammoth Cave is a solution cave, the product of a karst landscape. Karst is a topography formed from the dissolution of soluble rock like limestone by weak acidic water. Sinkholes, ridges, springs, ...

In fact he wasn’t, until his work drew him ever deeper into the labyrinthine passages of Mammoth Cave. As Hodnett and I walk through these untrammeled corridors, he tells me how to spot the fossils in ...

A tourist from Montana visited all 12 of Wyoming’s state parks in a whirlwind weeklong road trip last summer. He also hit all ...