Here’s how to plan a trip to Mammoth Cave National Park.

FLAGSTAFF — Did you know Flagstaff is home to one of the largest lava tube caves in the country? The Lava River Cave in the Coconino National Forest stretches over a mile underground and was formed ...

We hear how a team of researchers at the University of Northern Iowa is exploring the deepest caves in the U.S. with NASA funding. This could inform the search for life on other planets. Host Ben ...

No trip to Central Oregon would be complete without exploring one of the region's defining geological features: the vast expanses of hardened lava that diverted the Deschutes, formed mounds of gumdrop ...

National parks. It seems post-COVID, we can't get enough of the outdoors and the natural beauty of America. Kentucky boasts one national park (Mammoth Cave) and two national historical parks (Abraham ...

Its most well-known attraction is an underground boat tour. The measure of a city's quality of life often comes down to its connection to nature. Right off Nashville Road in Bowling Green, steps away ...

Hellertown, Pennsylvania -- Lost River Caverns is open all year round! Located in Hellertown PA. The Caverns have been open since 1930, Robert Gilman's grandparents opened the attraction to the public ...

On January 30, 1925, cave explorer Floyd Collins made history when he became trapped while exploring Sand Cave near historic Mammoth Cave. It took nearly two weeks to reach Floyd who was found dead of ...