Crystal Cave, nestled in California's Sequoia National Park, enchants visitors with its intricate marble rock formations, ...

After four years of closure, Crystal Cave is reopening this month in Sequoia National Park. Learn why it was closed, how to book a tour, and more.

Crystal Cave has been one of the most popular visitor destinations in the park since it opened for public tours in 1940.

If you're looking for a truly tight squeeze in Utah, this slot canyon has just the place to go and all it takes to get there ...

Utah is home to five national parks — and, depending on how much time you have, it’s possible to visit all five in one trip.

Beneath the United States lies a surprising network of caves shaped over millions of years. Some feel almost otherworldly, ...

Environmental essayist Edward Abbey posited some prescient thoughts about the fate of Arches, where he was a ranger in the ...

Night - Partly cloudy. Winds NNE at 6 mph (9.7 kph). The overnight low will be 45 °F (7.2 °C). Sunny with a high of 76 °F (24.4 °C). Winds NNE at 6 to 7 mph (9.7 to 11.3 kph). Sunny today with ...

Cave maps are available at the BLM office and online. “We’re not really designed to be crawling around like this,” she said. “We’ll all have a lot more fun if we’re prepared.” ...

How many Broadway shows has Lisa Dawn Cave been in? Lisa Dawn Cave has appeared on Broadway in 1 shows. How many West End shows has Lisa Dawn Cave been in? Lisa Dawn Cave has not appeared in the ...

flooding its deep caves. Made famous by renowned marine explorer Jacques Cousteau, recent submarine trips have created new 3D sonar maps, showing never-before-seen mineral formations close to the ...

Montana, for example, announced Friday the state has seen measles crop up for the first time since 1990. The map below shows which states have measles cases confirmed by the CDC. States shown in red ...