In its original version, the sandstone tunnel was precarious, with a sloping grade and constant water seepage causing problems for curious cave-seekers, though a rope seemed to help.

As one of La Jolla's seven sea caves, Sunny Jim's Sea Cave is accessible by land via a hand-dug tunnel. In the early 1900s, ...

Part natural wonder, part hidden attraction, Sunny Jim’s Sea Cave combines ocean beauty with quirky legends. Join us as we walk through its historic tunnel and uncover the stories that shaped one of ...

He’s the president of the Cave Conservancy of Hawaii, a nonprofit trust that has been buying up land in and around Ocean View to preserve the tunnels that lie beneath.

Researchers have found a "unique" collection of "cave pearls"—some of which contain archaeological artifacts—in an ancient tunnel, a study has reported. Cave pearls are a type of "speleothem ...

Drought conditions in Missouri allowed spelunkers to explore and map a new section of caves in the Ozarks. Usually, a stream flows through Smallin Cave, incrementally carving the rocky tunnels and ...

Spelunkers crawl into new tunnel of Ozark cave exposed by drought, Missouri owner says By Aspen Pflughoeft. Updated November 03, 2022 11:40 AM.

Drought conditions in Missouri allowed spelunkers to explore and map a new section of caves in the Ozarks. Usually, a stream flows through Smallin Cave, incrementally carving the rocky tunnels and ...

Cave explorers have pushed through narrow gaps in rocky walls to uncover an extra 100 metres of tunnel on South Australia's Limestone Coast, with hopes it may link separate caves together.