Geological Gem
Ruby Falls
Chattanooga, TN
Ruby Falls, the tallest (145 feet) and deepest underground cave waterfall in the U.S. is set inside Lookout Mountain. The tour includes a light show when visiting this natural wonder.
© Kelley J. Heffelfinger
Copyright for this gallery photo belongs solely to Kelley J. Heffelfinger. Images may not be copied, downloaded, or used in any way without the express, written permission of the photographer.