Explore a lesser-known caver's paradise in this Oklahoma state park where you can see rare, natural gypsum with a guided tour ...

A stunning underground cavern, hailed as the “Sistine Chapel of crystals”, has been found to have a deadly secret.The cave, which is located in Chihuahua, Mexico, is filled with some of the largest ...

The seven-level cave system in Bellevue features unique rock formations and an underground river, discovered in 1872 when a ...

Weird Life Found Trapped in Giant Underground Crystals. Floating in pockets of fluid, the microbes are likely new to science and may be up to 50,000 years old, a NASA researcher says.

Crystal Cave guided tours return to Sequoia National Park after 4-year closure caused by fires and severe weather. News Sports Tulare Entertainment Life Advertise Obituaries eNewspaper Legals.

Crystal Cave guided tours return to Sequoia National Park after 4-year closure caused by fires and severe weather. News Sports Packers Business Suburbs Advertise Obituaries eNewspaper Legals.

By contrast, lava caves, widely known as lava tubes, are formed in a geological instant—a year or two, sometimes weeks—by an eruption from the Earth’s crust.

The crystn. of gypsum was carried out under simulated conditions of H3PO4 prodn. by the dihydrate process. Ca H phosphate and H2SO4 were mixed with dil. H3PO4 at 80°, and the turbidity of the reaction ...

This underground cave in NSW is one of Australia’s top 20 hidden natural wonders worth the road trip A new study has ranked Broken Hill’s Daydream Mine among Australia's best secret road trip ...

The Crystal Caves of Bermuda also received the certificate for responsible environmental stewardship of the Crystal and Fantasy Caves.