Sunny days at the beach only happen a few months out of the year in New England, but The Copper Cave in Plaistow offers a spot where you can enjoy the benefits of a salty beach day all year ...

Madison-based women's a cappella ensemble greenTONE sings at Cave of the Mounds in Wisconsin. It's a little unusual to hear Christmas caroling underground, especially in a cave that's nearly a million ...

Perhaps you’ve plunked your backside on a cushion and given meditation the old college try, only to have your mind spin off into a cacophony of thoughts. You got up, tossed the cushion in the closet ...

Sound is very much an ephemeral phenomenon. So when acoustician Yuri Lysoivanov wanted to capture the unique acoustics of natural caves, he lugged all his recording equipment to Mammoth Cave in ...

For years, researchers have known that rock artists didn't paint their bison, bears, lions and other images in random locations. Art tends to show up on places where echoes in rocky grottos and caves ...