There are alot of great caves in the US but there is a hot debate over which one is better Mammoth Cave or Carlsbad Caverns.

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

Just remember, if you see a mountain lion, it’s probably best not to try and pet it ... scene from Titanic. Kartchner Caverns State Park is like stepping into the set of a sci-fi movie, minus the ...

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...

With 22 national parks and monuments to its name, Arizona boasts some of the most astonishing landscapes in the country, from the Grand Canyon to the towering buttes of Monument ...

The far side of the Moon has its own versions of the Grand Canyon—two of them, in fact! A new study explains how these deep ...

NEIGHBORS ON ORANGE AVENUE DESCRIBE IT AS A LARGE PREDATOR. A RING CAMERA IN ONE WOMAN’S PATIO CATCHES A MOUNTAIN LION ON CAMERA. VIDEO SHOWS THE ANIMAL WALKING BACK AND FORTH. IT APPEARS TO ...

GRAND CANYON NATIONAL PARK, AZ (AZFamily) — People can once again enjoy a hike at Arizona’s world-famous natural wonder. The National Park Service said on Wednesday evening that inner canyon ...

A mountain lion was attacking a dog at a residence in Downieville early in the morning on Monday when a neighbor shot and killed it, according to the California Department of Fish and Wildlife.

PHOENIX (AZFamily) — Major trails at the Grand Canyon re-opened Thursday afternoon after being closed for nearly 20 hours following a chlorine gas leak inside the canyon last night. The closures ...