Travel + Leisure on MSN

The Tallest Underground Waterfall You Can Visit in the U.S. Is Hidden Inside This Tennessee Mountain

Ruby Falls is an underground waterfall located over 1,000 feet beneath Lookout Mountain in East Tennessee. Travelers visit ...
The Daily Dive on MSN

The Tallest Underground Waterfall You Can Visit in the U.S. Hides Inside a Tennessee Mountain

Ruby Falls is one of those places that stays with you long after you leave. Tucked... The post The Tallest Underground Waterfall You Can Visit in the U.S. Hides Inside a Tennessee Mountain appeared ...