Content continues below An ancient tectonic plate known as the Farallon ... magma rose to create the volcanic peaks of the Sierra Nevada. The Central Valley formed between these two budding ...

Covering over 2,500 acres in the Ozarks, Devil's Den State Park boasts mountain biking trails winding through ancient ...

Did you know San Francisco is surrounded by national park sites? That's right, plan your next national park adventure in San Francisco!

In the heart of the Sierra Nevada mountains, where towering pines whisper secrets of the gold rush days, sits a culinary ...

Calaveras Big Trees State Park is just a short drive away, offering the chance to walk among ancient sequoias that will make ...

Editor’s Note: This CNN Travel series is, or was, sponsored by the country it highlights. CNN retains full editorial control over subject matter, reporting and frequency of the articles and ...

“And in many ways, it actually felt like standing on the shores of ancient Lake Jezero on Mars.” In space exploration, a planetary analog is a place on Earth that’s considered similar or ...

Underwater director Tahsin Ceylan and his team recently discovered ancient structures beneath the icy waters of Lake Van in Turkey, capturing images of tower-like formations and wall remnants at a ...

The Prehistoric Pile Dwellings Around the Alps in Switzerland was just named the most stunning UNESCO World Heritage Site ...

A Lake Older Than Mountains Lakes, like mountains, can last millions of years. However, most lakes are short-lived in geological time. Only 20 ancient lakes exist today, but Lake Baikal is the oldest.