Here’s our curated guide to the most beautiful caves worth exploring and experiencing in Thailand. Happy caving.

Rebirth’ released earlier this July, and it once again made a lot of people curious about the picturesque locations situated ...

The River Styx begins as Cave Creek before disappearing underground, where it runs a half mile through marble bedrock. In 2014, the River Styx became the first totally underground stream to be added ...

Discover the jaw-dropping historical icon that is the underground wonderland of Mammoth Cave National Park in Kentucky.

A National Geographic investigation has found that Permian Basin energy exploration could taint residential aquifers with pollutants—as well as Carlsbad Caverns and other cave systems.

A stunning island in the Philippines unseated last year’s winner to gain the top spot among readers’ favorite islands in Asia ...

Suffering unseen: The dark truth behind wildlife tourism Captive wild animal encounters are hugely popular, thanks partly to social media. But our investigation shows many creatures lead dismal lives.

From gazing at sky-high views from the Twin Towers to eating scrumptious Malaysian food, these are the things to do in Kuala ...

Old Fall River Road in Rocky Mountain National Park is partially closed during the week as spring snowplowing operations, road maintenance are underway.

National Park Service A 26-year-old woman was swept away in a rushing river during an outing with her family at a California national park, officials said.