After being closed for four years, one of Sequoia National Park’s most popular and jaw-dropping natural wonders is opening ...

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

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

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

World-renowned for its soft, white-sugar sand beaches, mint-hued waters and breathtaking sunsets, Turks and Caicos is one of ...

An excellent diving light can increase your field of view and highlight dangers ahead. It can also serve as an emergency ...

Jeremy Irons, Vanessa Redgrave and Michael York have joined the voice cast of 3D animated family sci-fi adventure “The ...

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

We hiked deep into the woods to explore a 170-foot hole surrounded by mystery and legend—and what we found underground was breathtaking. Hidden beneath the surface was a crystal-filled cave system ...

Find his name, set him free.” The third ghost, Finn, is located in a small cave just southeast of the ruined tower where the Wise Old Man is. Head southeast from there, and you'll come to a cave ...

It lies beneath a cave of unique beauty, which is an incredible 3.5 km (2.17 miles) long, 40 meters (131 feet) wide and 36 meters (118 feet) high. Its crystal-clear waters are up to 39 meters (127 ...