In the absolute darkness 333 feet beneath Tennessee's Cardwell Mountain, I am belly-crawling through a passage barely wider than my shoulders, headlamp cutting through blackness so complete it seems ...

Oaxaca's Huautla cave is a trove of history, nature and wonder. John Pint explores Mexico's (and the Western Hemisphere's) ...

Add Yahoo as a preferred source to see more of our stories on Google. Looking for a way to make the best of New York's hot summer days? Heading underground and exploring cool caves — both in ...

While precious summer hours are slowly ticking away, fall-like weather may be nice enough to get outside on the weekends for weeks yet. In case you weren't paying attention, fall returns on Sept. 22.

Its most well-known attraction is an underground boat tour. The measure of a city's quality of life often comes down to its connection to nature. Right off Nashville Road in Bowling Green, steps away ...

While precious summer hours are slowly ticking away, fall-like weather may be nice enough to get outside on the weekends for weeks yet. Are waterfalls on your list? What about caves? If they aren't, ...