Lost World Caverns, located just outside Lewisburg, West Virginia, is an underground natural series of caverns. In November 1973, the caverns were registered as a National Natural Landmark as they "feature terraced pedestal-like stalagmites, flowstone, curtains, rimstone, domepits, and waterfalls."
Flowstone from the Lost World Caverns Commercial cave formed from calcium carbonate rich water dripping down cave walls and can be described as "cave icing" or "frosting".