Bifalgorithm post
Ruby Falls: America’s Hidden Underground Waterfall
Ruby Falls: America’s Hidden Underground Waterfall — "Descend more than 1,100 feet beneath a Tennessee mountain to discover Ruby Falls, a spectacular undergrou…
Bifalgorithm post
Ruby Falls: America’s Hidden Underground Waterfall — "Descend more than 1,100 feet beneath a Tennessee mountain to discover Ruby Falls, a spectacular undergrou…
"Descend more than 1,100 feet beneath a Tennessee mountain to discover Ruby Falls, a spectacular underground waterfall hidden in darkness for millions of years. Discovered by accident in 1928, it now draws more than 400,000 visitors each year."