Neptune's Grotto in Alghero, Sardinia, is a stunning natural wonder. Known for its crystal-clear waters and impressive ...

Cascade Caverns is a 125-million-year-old cave. It’s 65 feet deep and about a mile long, with a constant temperature of 60-63 ...

Floyd Collins got trapped in a Kentucky cave 100 years ago this week, an incident that led to the creation of Mammoth Cave ...

Nature’s underground wonders have captivated explorers and curious travelers across the country for centuries. From ...

During a late January tour of Mammoth Cave ... flat area – like a small plaza in a hollow section of limestone – to tell us how cave explorer Floyd Collins got trapped nearby almost 100 ...

Nature’s underground wonders have captivated explorers and curious travelers across the country for centuries. From ...

For 16 years, the Buffalo National River has denied explorers access to Arkansas’s longest cave and hundreds of others. Some ...

Khammouane province in Central Laos is being highlighted as new attraction in the neighbouring country. It has invited ...

This giant natural cave is right below one of America's favorite theme parks (and yes, you’re allowed to explore it).

Uncover the best bucket-list experience in every country, from iconic landmarks and stunning natural wonders to cultural ...

South Africa’s renowned "Shark Alley" offers a chance to see great white sharks in their natural habitat. Descend into a ...