After a four-year closure due to natural disasters, Crystal Cave in Sequoia National Park reopened to the public this weekend in time for Memorial Day, the unofficial start of the summer.

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 ...

Crystal Cave, located in Sequoia National Park, reopens to the public on May 23 after a four-year closure due to fire and weather damage. Visitors can purchase tickets for guided tours ...

Experience wilderness unfiltered amid miles of breathtaking hiking and backpacking trails in Illinois’ Garden of the Gods or go underground, then enjoy the view at an international dark sky park at ...

Edmonson and Barren Counties on its way to Mammoth Cave National Park. (SUBMITTED) In the not-so-distant future, it may be possible to walk or ride a bike from Bowling Green to Mammoth Cave.

Visitors to Voyageurs National Park in northern Minnesota will be greeted by a major new amenity this year. The Crane Lake Visitor Center, the park’s new visitor center, will greet park-goers ...

the Serra da Capivara National Park announced. Guidon first documented the red ocher cave paintings in the semi-arid state of Piaui in the 1970s. These ancient artworks, made with natural pigments ...

There is nothing normal about the natural beauty of Rocky Mountain National Park, but visitors were pleased to find the park operating normally on Friday despite nationwide concerns over national ...