With over 400 miles of explored caverns and passages, Kentucky's Mammoth Cave National Park has plenty to offer the ...

They can be a life-threatening disaster—or a pricey nuisance. Here’s what you need to know about the depressions and holes ...

It's also one of the biggest tourist draws in Istanbul. Sultan Ahmed I was determined to build a mosque that rivaled the ...

A recent amendment to the Mining Law threatens not only agricultural lands and local communities but also cultural heritage ...

Hidden River Cave was once filled with heavy metals and sewage that made the surrounding town smell awful. After a cleanup, ...