Beneath the United States lies a surprising network of caves shaped over millions of years. Some feel almost otherworldly, with strange rock formations and the occasional glow from naturally occurring ...

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 ...

From trees that resemble monsters, to colorful sinkholes, towering rock formations and waterfalls of molten lava, these are some of the most unusual and fascinating landscapes in the world.

Greece's beauty is well-known but its rock pools don't get enough credit and are unique geological formations.

Otherwise, the best viewpoints of the formations are from ... an easy 2-mile hike with great views of Snoopy Rock and many other red rock formations. Note that a Red Rock Pass is required to ...

The park's main attraction, Raven Rock, is a 150-foot tall rock formation overlooking the Cape ... the Lanier Falls and Fish Traps trails provide the best access for those looking to get closer ...

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.