Mammoth Cave National Park in Kentucky is home to the world’s longest known cave system, with over 400 miles of explored and mapped passageways. The actual extent of the cave remains unknown ...

Many visitors expect to see stalactites and stalagmites galore in Mammoth Cave but are surprised when they don't see many of ...

A new species of ancient shark has been discovered at Mammoth Cave National Park in Kentucky, officials said.

Created on July 1, 1941, Mammoth Cave National Park became a UNESCO World Heritage Site on October 27, 1981, and an International Biosphere Reserve on September 26, 1990, signifying its global ...