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.

The death of a Kentucky cave explorer a century ago is being remembered as a catalyst for the formation of Mammoth Cave ...

Explore Mammoth ... cave system on Earth, featuring the richest known habitat for cave wildlife in the world. It may be difficult to think of caves as spacious and grand, but these are no ordinary ...

Under a swath of Kentucky hills and hollows is a limestone labyrinth that became the heartland of a national park. The surface of Mammoth Cave National Park encompasses about 80 square miles.

There are longer caves than Hang Son Doong—the Mammoth Cave system in Kentucky ... water from the ceiling hits the limestone floor and throws up a speck of rock. This grain is jostled in ...

I stood 200 feet below the Kentucky countryside, looking at three lines of graffiti written in pencil on the white limestone wall of Mammoth Cave. “A Rust 1861 ... the men who etched their names in ...

An explorer of the Mammoth Cave system in Kentucky who died 100 years ago is credited with the creation of the national park.

from Japan's incredible Otake Limestone Caves to Italy's famous sea cave with glowing blue water, people all over the world can't resist it. The thrilling cave tours may be the draw of Mammoth ...

Cave explorer Floyd Collins got trapped in Sand Cave in Kentucky 100 years ago and later died. The incident drew national attention and helped lead to the creation of Mammoth Cave National Park.