Add Yahoo as a preferred source to see more of our stories on Google. OLIVE HILL, Ky. (FOX 56) — Officials with Carter Caves State Resort Park are investigating after rock formations were found ...

The monument’s caves date back 40,000 years, when volcanic activity created lava tubes, which cooled and drained to create ...

Indiana has plenty to recommend itself to visitors, but most people don't know it also has a cave system big enough for its ...

Cave formation starts with a simple chemical reaction between water and carbon dioxide in the atmosphere, creating carbonic acid. This weak acid forms when rainwater combines with CO2, then ...

Explore a short Arkansas hike where ancient rock art and turtle-shaped sandstone formations create one of the most memorable ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SAN DIEGO — Southern California is home to ...

Arizona is home to caves that feel mysterious, dramatic, and completely removed from the everyday world above.

Namibia's caves are home to ancient rock formations shaped over millions of years. These formations give a glimpse into the ...

Another new species of ancient shark has been discovered at Mammoth Cave National Park.According to a post from the park, an ongoing Paleontological Resource Inventory discovered the new species while ...

Lake Melissani on the Greek island of Kefalonia, also known as Melissani Cave, is among the most astonishing lakes in the world.