Kartchner Caverns, southeast of Tucson near Benson, is one of Southern Arizona's top attractions. The cave, operated by the state parks department, opened a new room, the Big Room, to the public ...

Deep inside the dark, damp caves of Kartchner Caverns State Park lies something that sounds more suited to a fairy tale than to a rock formation.

Arizona State Parks officials, who operate the $32 million Kartchner Caverns complex, recently took reporters and photographers on a tour through the complex under development.

Kartchner Caverns State Park maintains a consistent 72 degrees with 99% humidity, offering a cool retreat from Arizona’s summer heat.

One by one, the brown-eared bats squeeze through a six-inch hole and emerge into deepening twilight; an instant later, they've fluttered off to feed. At Kartchner Caverns, flocks of bats have repeated ...

When the "live" cave, Kartchner Caverns finally opened to the public for tours, phone lines were jammed as people tried to make reservations to see the caverns.

In 1974, Randy Tufts and Gary Tenen discovered an underground world, Kartchner Caverns, near the Whetstone Mountains of southern Arizona.

PHOENIX — Kartchner Caverns State Park is taking volunteers for the summer season. The park, located near Benson, helps visitors connect to the environment by visiting the caves, hummingbird ...

Arizona stole the heart of author Roger Naylor 50 years ago. He's explored every corner and written seven books. Here are the 10 places he loves best.

Kartchner Caverns State Park is known for its diversity of minerals. On March 1, park staff spotted one that's particularly rare inside of caves here.