Cave Lake State Park near Ely, Nevada is that kind of revelation – the wilderness equivalent of finding out your quiet neighbor is secretly a rock star. Nevada’s reputation as a desert state with ...

For those interested in more substantial natural wonders, Onyx Cave Park offers underground adventures just a short drive from downtown. Discovered in 1891, this limestone cave features fascinating ...

Skylights, openings in the surface of Mars that descend down into caves, have been found on Mars, along with signatures for ...

Beneath the idyllic resort towns of Mexico 's Yucatan Peninsula, daring explorers have uncovered a hidden world of grand ...

Experience India’s untouched landscapes, from peaceful forests and vibrant valleys to hidden caves, perfect for offbeat ...

Palau is one of only a dozen nations that still recognise Taiwan as a sovereign state. This challenges a key pillar of ...

Underneath the earth’s belly, a boat ride inside a 30-million-year-old all-water cavern, Penn’s Cave, reveals nature’s most ...

A newly discovered supercave in Spain stretches 16.5 miles, featuring a 3,000-foot vertical drop. What lies beneath?

Deep in Central Oregon lies a short yet unnervingly narrow lava‑tube hike full of basalt corridors and tight passages where ...

While you might assume the Nullarbor Plain is a vast expanse with not much to see, a recent discovery has stunned scientists.

Montana has several state parks worth visiting, but if you want to see the very first one that offers limestone caverns, here ...