Apostle Islands in Lake Superior offer a unique blend of sea caves, lighthouses, shipwrecks, and pristine wilderness, making ...

An excellent diving site, this incredible duo of caves is a favorite of both tourists and locals alike. The two caves—known as Cenote Dos Ojos—were created by two 70-foot sinkholes connected by a ...

Wednesday morning’s clear skies and smooth waters were perfect for ferrying 15 huge concrete domes, or “Sea Caves,” to the bay off Goleta Beach and then dumping them overboard. These 500-pound ...

There was a sign at the top of the steps leading down to Meyers Beach explicitly warning everyone that there was a small-craft weather advisory in place. The more important message was implied: ...

Beneath the United States lies a surprising network of caves shaped over millions of years. Some feel almost otherworldly, with strange rock formations and the occasional glow from naturally occurring ...