Deep underground, encased by the rolling hills of North Virginia, lies a subterranean paradise and musical marvel. The Luray Caverns boast the most extensive cave system in the eastern United States, but for the millions of visitors who flock there each year, it’s not just the beautiful rock formations that reel them in. These natural walls also house the eerie vibrations that emanate from the world’s largest musical instrument. Locked away, deep in the labyrinthine passages of the Luray Caverns, is The Great Stalacpipe Organ. This instrument is a natural wonder that brings a new meaning to “rock music”. The...