A team of geologists have conducted a survey of likely candidates to identify the oldest rock in the United States. Their ...

Purgatory Chasm in Sutton dates to a retreating glacier, some 15,000 years ago. The yield is a daunting collection of jumbled ...

It was cool," Johnson said. Kristine Hiller, the park naturalist, said glaciers helped form the tilted rock formations in northern Minnesota. But her park doesn't have a Minnesota name.

SUTTON — A mother from Topsfield, hiking with three of her four children at Purgatory Chasm, died in a fall from a rock ...

Key Highlight: Although Sedona is surrounded by towering red rock formations, you'll still want to plan a trip to the official Red Rock State Park specifically to see Cathedral Rock – one of ...

A weathered sign in the Minnesota River Valley proudly proclaims: “World’s Oldest Rock.” Erected in 1975, it marks a 3.8-billion-year-old gneiss — or so scientists thought.

Industrial waste is turning into rock in decades, much faster than the millions of years it is thought to take for it to form naturally, research has shown.

As if dream-like rock formations weren't enough ... While you can explore the area by yourself, Navajo Tours USA does offer immersive guided tours of the Ah-Shi-Sle-Pah Wilderness for $140 ...

Raven Rock State Park, less than an hour from Fayetteville, offers miles of trails for hiking, biking and horseback riding.