Crystal Cave is over a million years old and stretches about three miles, he says. Only a small fraction of caves in the ...

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Visiting Crystal Onyx Cave on their 60th anniversary on June 19 and saying “Happy Anniversary” will get you a 60% discount to explore and tour the cave. For more information on Crystal Onyx Cave, ...

The 12-story, 500,000-square-foot addition to Roanoke Memorial Hospital cost $500 million, and was years in the making, officials said.

This subterranean attraction in Pennsylvania is a gorgeous cave system with plenty of fascinating stalagmites and stalactites ...

For the last 25 years, intrepid groups of teens have set out to explore, document and preserve some of the most fragile ...

Explore Crystal Cave as it reopens at Sequoia National Park for this season - Features | Hawaii Tribune-Herald ...

But it's not just a spot for unwinding; Nanjizal is also an explorer's paradise with numerous caves and rock formations waiting ... often brimming with crystal clear water. CornishSecrets ...

Watch out for poison oak, bees, rattlesnakes, and falling rocks. Visitors walk through the Dome Room in Crystal Cave within Sequoia National Park before reopening officially to the public ...

Fisher says a person can stay inside the cave for only six to ten minutes before ... Geologists conjecture that a chamber of magma, or superheated molten rock, lying two to three miles underneath ...