Mammoth Cave National Park is Kentucky's only national park, but it isn't the state's only cave open to the public.

In a stunning revelation, scientists have unearthed shark fossils dating back 325 million years in Mammoth Cave, Kentucky.

This welcoming three-bedroom Airbnb is situated across the street from the national park, making it perfect for daytime ...

The boomerang, found in a cave in southern Poland, may be the oldest in the world, dating back 40,000 years, according to ...

This incredibly underrated state park in Kentucky is also home to several adventuresome caves and colonies of bats. Here's ...

An international team of scientists has analyzed a carved mammoth tusk found in the Oblazowa Cave in southern Poland, concluding that it is a boomerang dating back between 42,290 and 39,280 years, the ...

Not to be confused with Crystal Onyx or Mammoth Onyx, this cave is just known as Onyx Cave. The cave was found during the construction of a parking lot in 1971 and opened as a show cave to the ...

Not to be confused with Crystal Onyx or Mammoth Onyx, this cave is just known as Onyx Cave. The cave was found during the construction of a parking lot in 1971 and opened as a show cave to the ...

A boomerang carved from a mammoth tusk is one of the oldest in the world, and it may be even older than archaeologists ...

A mammoth tusk boomerang discovered in Poland is approximately 42,000 years old, potentially making it the oldest known ...

An international team of scientists with a variety of backgrounds has found evidence that a boomerang found in a cave in ...

Scientists have discovered what may be one of the oldest boomerangs in the world, hidden in a Polish cave for tens of ...