Endless River Cave lives up to its name – a winding, water-filled system that stretches deep into the unknown. In this video, ...

The water levels seemed to drop precipitously – in images captured by Porsche Devol on September 2, only a small portion of a cave was visible and now photos show a vast entrance with rock ...

By Amanda Jackson and Zoe Sottile, CNN (CNN) — 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 ...