A team of researchers at the University of Northern Iowa (UNI) is exploring some of the deepest caves in the country to learn more about life in extreme environments.

Europe’s tallest sand dune isn’t just a stunning natural landmark—it’s a living, shifting landscape sculpted by wind and time ...

The BC government is cancelling environmental assessments for LNG, mines, hydro transmission lines, and wind farms ...

I visited all the major US national parks and ranked them based on factors like beauty and crowd size. My favorites include ...

Natural Tunnel State Park embodies the very definition of a hidden gem—world-class natural wonders tucked away in Virginia’s southwest corner, offering experiences that rival more famous destinations ...

The cave is one of about 275 known caves in Sequoia and neighboring Kings Canyon National Park. The park’s only publicly ...

Traverse 330 steps on the way to such distinctive chambers as the “Devil’s Kitchen” and the “Crystal Vault.” Wild caving ...

Fluorescent cave minerals are helping scientists explore how life could survive in harsh places like Europa. Far beneath ...

Discovered in 1878, Luray Caverns has been drawing visitors for over a century—and it's easy to see why. Located just west of ...

Sheer drama. That's what the Great Sand Dunes are. Starkly beautiful desert dunes set against a backdrop of pretty, ...

Most people think of visiting big cities, national parks, and beaches when they plan a U.S. trip. There’s hardly anyone who’s ...