The presenter said he's been in every known cave on the Peninsula, discovering one of them as a 17-year-old in 1968.

In the dank depths of Ellison’s Cave, you can find two of the deepest freefall pits in mainland US: Fantastic Pit, which ...

Researchers have determined that fossilized bone fragments found in a cave in the Sierra de Atapuerca mountains of northern ...

Sótano de las Golondrinas, or Cave of Swallows, is the largest pit cave in the world — an over 1,200-foot drop from top to bottom. It's also home to thousands of birds, who spiral out of the ...

The cave, located in the separatist region of Abkhazia ... But finally, on October 19, Kasjan dropped down a pit later dubbed Millennium and looked at his altimeter. He had passed the 2,000 ...

Also called "dikengyuan" in Mandarin, which means "pit courtyards," the homes are a type of cave dwelling ("yaodong") commonly found in the Loess Plateau in northern China. "Academic literature ...

The team uncovers intriguing artifacts in the Money Pit, explores Templar connections, and faces a dramatic threat during ...

In 1968, at age 17, he uncovered a sinkhole in southern Door County that led to more than 1,700 feet of previously unknown underground passages now called Paradise Pit Cave. Today, he's a board ...