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 ...

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 ...

Syrians living in cities besieged by the government of Bashar al-Assad exist in a sonic torture chamber. The skies shriek with Russian jets. Buildings groan from the concussive force of distant bomb ...

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 ...