Hawaii-born billionaire Stephen Case, a co-founder and former CEO of AOL, owns the land management and development company, which will now be responsible for the cave and surrounding area.

Among these well-known treasures, though, are hidden gems that few will recognize, such as Kaneana Cave. If you've never been to Hawaii, you'll quickly realize just how important the local culture ...

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. Most of Hawaii’s lava tubes ...

Julius Scammon Rodman (1912-2001), of New Bedford, Massachusetts, whaling stock, arrived in Hawaii in 1930 following a year ...