The Great Stalacpipe Organ spans 3.5 acres of the cave and is considered the world's largest musical instrument. The name is a combination of the words stalactite and pipe organ but in actuality, it ...

Victorian visitors to Manitou were treated to an "organ" concert at one of the area's scenic attractions. The two-octave stalactite organ in the concert hall of Manitou Grand Caverns was gently tapped ...

Luray caverns in Virginia have been a natural landmark for 50 years. They also hold the world's largest musical instrument, a Stalacpipe organ. In the rolling mountains of northern Virginia. Luray ...

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Luray Caverns in Northern Virginia is celebrating 50 years of being a National Natural Landmark. It's also the place that holds the largest... In the rolling mountains of Northern Virginia, Luray ...