Tower Rock, a limestone formation in the middle of the Mississippi River, is newly accessible by foot. The destination is now popular with tourists, the Missouri Department of Conservation said. The ...

Rocks, boulders, bluffs and crags abound during a hike along the 1.5-mile Shaddox Hollow Trail at Hobbs State ...

A severe drought caused a rock formation in the Mississippi River to be visible. It's a rare sight, but those wishing to see might be disappointed. The drought, this week, caused water levels near ...

Natural bridges are rock formations shaped by geological activity over millions of years. Let's take a look at some of these stunning natural structures. Pont d'Arc, FranceA popular tourist attraction ...

Doug roams Sicily, an island of two crashing tectonic plates and one very active volcano. Sicily is a rugged island forged from the collision of two tectonic plates, with Europe’s most active volcano ...

Slovenia is home to some of the most amazing limestone caves in the world, which are a treat for nature lovers and adventure ...

Buried in the limestone and marble of Namibia, Oman, and Saudi Arabia, scientists have found mysterious micro-tunnels, too small to see, too regular to ignore. These structures, invisible from the ...