Step off the desert trail and into Arizona’s longest cave, where crystal formations and subterranean wonders await.

BENSON, AZ — Just south of Tucson lies one of Arizona’s hidden gems—Kartchner Caverns State Park, an active limestone cave system known for its rare, pristine formations and year-round underground ...

SIERRA VISTA — A Phoenix-area family was rescued from a remote hiking trail near Kartchner Caverns State Park on Sunday after becoming lost in a snowstorm. Justin and Melissa Morris of Buckeye, their ...

While Arizona is famous for its stunning landscapes and dramatic rock formations, some of the best things to see here are underground. Arizona has numerous famous caves — some readily open to the ...

Imagine this: a secret cave hiding in the mountains, two amateur spelunkers going where no human had ever been before, blindfolding officials on the way to tour the cave to prevent them from knowing ...

BENSON, Ariz. -- For those amazed by the beauty of what they've seen already at Kartchner Caverns, said by some to rival that of New Mexico's much larger Carlsbad Caverns, the best is yet to come.