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 ...

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 ...

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 ...

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 ...

Nature doesn’t follow blueprints, and sometimes the result is strange enough to stop you in your tracks. Around the world, erosion, lava, and sediment have shaped landscapes that feel less like ...