National Geographic's 100 best images of the year–curated from 106 photographers, 121 stories, and more than two million photographs. Leonardo’s “Mona Lisa” is believed to depict Lisa ...

Scientists have discovered at least 40 new invertebrate species in caves since 1965, the National Park Service reported. These include spiders, a harvestman, scorpions, pseudoscorpions ...

new businesses, local landmarks and news stories. After a four-year closure due to natural disasters, Crystal Cave in Sequoia National Park reopened to the public this weekend in time for Memorial ...

Visitors get an early look at calcium carbonate formations in Crystal Cave’s Organ Room within Sequoia National Park as the cave officially reopens to the public following years of closures due to ...

If you find yourself in western South Dakota with an itch to go underground, swing back Jewel Cave National Monument, which has a great array of cave tours available.

Crystal Cave, located in Sequoia National Park, reopens to the public on May 23 after a four-year closure due to fire and weather damage. Visitors can purchase tickets for guided tours ...

After being closed for four years, one of Sequoia National Park’s most popular and jaw-dropping natural wonders is opening back up to the public. Before its closure, the cave was visited by an ...

Under South Dakota’s surface, travelers will find two show caves within 31 miles of each other. Within the famed Black Hills, there is two National Park Service sites with cave tours.

THREE RIVERS, Calif. – Crystal Cave in Sequoia National Park will reopen on Memorial Day weekend after wildfires and winter storms led officials to close the site for four years. Officials said ...