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 ...

Mosquito Bay on Vieques in Puerto Rico is considered the brightest bioluminescent bay in the world. Tiny organisms called ...

Water levels are so low at Canyon Lake in Texas that an underwater cave and remnants of communities that stood more than a century ago at the site are reappearing. The lake, located in Comal County ...

Four Roman-era swords, their wooden and leather hilts and scabbards and steel blades exquisitely preserved after 1,900 years in a desert cave, surfaced in a recent excavation by Israeli archaeologists ...